Activity 13 Planner. Activity 13 Summary. Activity Subject and Content Objective Materials. Just Dew It! Dew point Determine the dew point of the air.
|
|
- Tracey McCoy
- 6 years ago
- Views:
Transcription
1 Activity 13 Planner Students will learn how to measure the dew point of air. Activity 13 Summary Activity Subject and Content Objective Materials Just Dew It! Dew point Determine the dew point of the air. Each group of students will need: Celsius thermometer (alcohol), shiny can with top removed (aluminum cans work well), glass stirring rod or wooden stirrer, water at room temperature, ice (crushed or cubes work best) Time Vocabulary Key Concept Margin Features minutes Humidity, Saturation, Dew point II: Factors that contribute to weather Safety Alert!, Fast Fact, What Can I Do?, Connections, Resources Scientific Inquiry Unifying Concepts and Processes Technology Personal/Social Perspectives Historical Context Collecting, analyzing, and interpreting data; asking questions Cause and effect: mechanism; energy and matter: flows Critical thinking, problem solving, and decision making Scientific perspective of nature Changing understanding of science National Science Teachers Association
2 Just Dew It! Activity Background If you watch the local news, you have probably heard meteorologists talk about the humidity as well as the temperature. In many locations, the humidity varies from day to day, with some days humid and other days dry. In other locations, it is always humid or always dry. What does this mean? The humidity represents the amount of moisture (in the form of water vapor) that is in the air. There is always some moisture in the air, even in the desert. Most of the water vapor gets into the air by evaporation, largely from the ocean, but also from lakes, rivers, ponds, and even puddles. Temperature is a major factor in determining how much and how rapidly water will evaporate from these places. The warmer it is, the more water will evaporate. Because of this, at any location, there will probably be more water vapor during warm weather than during cold weather. There is a maximum amount of water vapor that can exist in the air. At that point, it can be stated that the air is saturated with water vapor. The amount of water vapor at saturation depends on the temperature. The warmer it is, the greater the amount of water vapor that can be present. In this Activity, you will use the fact that the amount of water vapor at saturation depends on the temperature to determine how humid the air is. The method involves cooling the air. If you cool the air enough, the water vapor begins to condense and form water droplets. The temperature at which this happens is called the dew point. The less water vapor there is in the air, the more it has to Vocabulary Humidity: A measure of the amount of water vapor. Saturation: The condition where the maximum amount of water vapor is present. Dew point: Temperature at which water vapor will condense if air is cooled. Objective Determine the dew point of the air. Topic: clouds and fog Go to: Code: PSCM Project Earth Science: Meteorology, Revised 2nd Edition
3 Activity 13 Materials Each group of students will need: Celsius thermometer (alcohol) shiny can with top removed (aluminum cans work well) glass stirring rod or wooden stirrer water at room temperature ice (crushed or cubes work best) be cooled to make the water vapor condense. Because of this, the dew point provides a measure of the amount of water vapor in the air. On days when the air temperature and the dew point are very close to each other, we say that the air is humid. If, for example, the air temperature is 30 C and the dew point is 25 C, there is much more water vapor in the air than on a day when the air temperature is the same, but the dew point is 5 C. We are most likely to notice water vapor on very humid, warm days, when we feel clammy or sticky because all the water vapor surrounding us prevents our perspiration from evaporating easily. Time minutes Figure 13.1 Bromeliads are plants that have overlapping leaves that form a basin for dew to collect. The plant eventually absorbs the water that collects in the basin. SAFETY ALERT! 1. Be careful when working with thermometers. They are made of glass and may break. 2. The tops of the cans may have sharp edges. Be careful when handling them. Procedure 1. Measure the air temperature with your thermometer. Record this value in the column labeled Air Temperature ( C) on BLM Fill the shiny can half full with water at room temperature. Allow the can to sit for one minute. If condensation forms on the outside of the can, replace the water with warmer water until no condensation forms. 3. Place the thermometer in the can with the water as shown in Figure Slowly add small pieces of ice to the can while using the glass rod or wooden stirrer to slowly and gently stir the ice in the water. Watch the outside of the can closely for the first sign of condensation. 5. When condensation begins, immediately record the temperature of the water in the can in the column labeled Dew Point ( C) on BLM National Science Teachers Association
4 Activity Fast Fact When winter arrives, the cool air from the outside is heated inside our homes. The heated cool air from the outside may only have a relative humidity of 5%, which is as dry as the air in the Sahara Desert. Figure 13.2 The setup uses an aluminum can and a thermometer. 6. If the temperature in the room is fairly constant, repeat steps 2 through 5 twice more. Record your data beside Trial 2 and Trial 3 on BLM Before you begin each trial, wipe out the inside of the cans or use warm water to allow them to warm to room temperature. 7. Find the average dew point by adding the three individual dew points and dividing the sum by three. Record the result on BLM Questions and Conclusions 1. By how many degrees would the air have to cool to reach the dew point you just determined? 2. If you did this Activity again tomorrow and found that the dew point had increased, would this indicate that there was more or less moisture (water vapor) in the air? Why? (Assume the air temperature is the same.) 3. Under what conditions would the air temperature and the dew point be the same? 4. At what time of day are you most likely to find dew? Why? 5. Where do you normally see dew? 6. How does this Activity show that dew does not fall from the sky like rain? What Can I Do? Mapping regional dew points can give you insight about moving humid air and how this air may change with the passage of fronts and other weather systems. You can get dew point maps of the United States from the Weather Underground at US/Region/US/Dewpoint. html. 139 Project Earth Science: Meteorology, Revised 2nd Edition
5 BLM 13.1: Calculating Dew Point Date Activity 13: Just Dew It! Dew Point Data Table Air Temperature ( C) Trial Dew Point ( C) Average Dew Point ( C) 140 National Science Teachers Association
6 Teachers Guide to Activity 13 Just Dew It! What Is Happening? The amount of water vapor that can exist depends on the air temperature. For any given temperature, there is a maximum amount of water vapor that can be present before the vapor begins to condense. The maximum amount increases rapidly as temperature increases. (See Figure 13.3.) Maximum Water Vapor (vapor pressure at saturation, mm Hg) How Do We Know This? Temperature ( C) How do we know there is water vapor in the air? The first device for measuring humidity was invented by Cardinal Nicholas de Cusa in the 15th century. It used a piece of wool, which became heavier when it was humid due to the water that was absorbed by the wool. At the time, it was not recognized that water vapor was a distinct gas in the atmosphere. That insight did not come until Daniel Bernoulli s kinetic theory of gases in 1738 (although his theory was generally ignored until the following century). Nowadays, there are many different methods for measuring the water vapor content of the air. For example, the air can be sent through a wet cloth. The evaporation of the water into the air cools the air. The lower the humidity, the more the air is cooled. The humidity can be then be determined by comparing the temperature of the air passing through the wet cloth (called the wet bulb temperature) with the actual air temperature (called the dry bulb temperature). Figure 13.3 The maximum amount of water vapor that can exist varies with the temperature. Objective Determine the dew point of the air. Key Concepts II: Factors that contribute to weather Materials Each group of students will need: Celsius thermometer (alcohol) shiny can with top removed (aluminum cans work well) glass stirring rod or wooden stirrer water at room temperature ice (crushed or cubes work best) Time minutes 141 Project Earth Science: Meteorology, Revised 2nd Edition
7 Teachers Guide 13 More water vapor can exist when the air is warm than when the air is cool. Air is saturated when the maximum amount of water vapor is present. This saturation point can be obtained in two ways. One way is to continue evaporating water so that the amount of water vapor increases. The other more common way is to cool the air. The temperature at which air is then saturated is identified as the dew point. When the dew point is very close to the air temperature, the air s high humidity becomes easily noticeable. In areas with many hot and humid days, the dew point is often given by meteorologists not only as a measure of the humidity, but also as a kind of comfort index. On hot days when the air temperature and the dew point are close, working outdoors can be very uncomfortable because the air is nearly saturated. When air is nearly saturated, evaporation is slowed dramatically. As a result, perspiration from our bodies is prevented from evaporating, and our cooling mechanism is impaired. If the air temperature and the dew point are known, relative humidity can be calculated. Relative humidity is the ratio of the amount of water vapor actually in the air to the maximum amount that could possibly be in the air at that temperature. When the dew point and the air temperature are close to each other, the relative humidity will be high. When they are the same, the relative humidity is 100%. Dew forms by essentially the same process as clouds and raindrops. When moist air is cooled enough and condensation nuclei are present, water droplets will form in the atmosphere, creating clouds. Dew is the condensation of water vapor, not around nuclei in the air but on the surfaces of objects around us. Dew typically starts to form after sunset when the air begins to cool. How dew forms was a puzzle for many years. It was solved when scientists realized that air contains water vapor, even the air in deserts. During the day, the Sun warms the ground and the air above it. At night, the ground cools by radiating its heat into the sky. On cloudy nights, this radiant heat is absorbed by the water in the atmosphere and radiated back to the ground, and no dew is formed. On clear nights, the radiant heat is lost to space and the ground cools quickly, cooling the air above it. If the temperature of the air reaches its dew point, then water vapor will condense. Measuring how much water condenses as dew is difficult to determine because the quantity is so small. In dry climates like deserts, dew probably accounts for most of the precipitation in that area. Scientists have used a block of gypsum to measure the amount of water vapor in the air by weighing the dry block before dew formation, and then again after dew has formed. The difference is the amount of water absorbed as dew. 142 National Science Teachers Association
8 Teachers Guide 13 Preconceptions Students sometimes have a difficult time understanding where dew comes from. The preconceptions may come from observing condensation on the outside of their cup or glass. Many students may think that the water passes through the container to the outside. Students may have the following preconceptions: Dew forms on grass every night. Dew is another form of rain or precipitation. Dew falls from clouds. If water vapor is in the air, you can see it. (Students think that water vapor is visible (like a cloud). Subsequently, they think that clouds are made of water vapor (as opposed to liquid).) The maximum amount of water vapor that can exist depends on how much air is present (i.e., it depends on how much space is available between the air molecules). SAFETY ALERT! 1. Be careful when working with thermometers. They are made of glass and may break. 2. The tops of the cans may have sharp edges. Be careful when handling them. What Students Need to Understand The maximum amount of water vapor that can be present depends on the air temperature. Dew point is a measure of the amount of water vapor in the air. For a specific temperature, a higher dew point means more water vapor is present. Relative humidity is a measure of the actual amount of water vapor in the air relative to the maximum amount of water vapor that can be present at its temperature. When the relative humidity is 100%, the air is saturated. Time Management This Activity can be completed in minutes or less. It can be done in one class period or conducted on different days over the course of several weeks, as the humidity conditions change due to outside weather and the presence of storm systems. Preparation and Procedure Prior to beginning the Activity, ask students what they know about dew and its formation. Ask students if they have seen any plants that collect water on the inside of their overlapping leaves. Show them pictures of bromeliads. Ask students if they have ever seen a spider web wet with droplets of water that glistened in the sunlight. Record students background knowledge about dew and its formation in the K column of a K-W-L chart. (See Figure 13.4.) Be sure to accept all comments. 143 Project Earth Science: Meteorology, Revised 2nd Edition
9 Teachers Guide 13 Ask students what they want to learn about the formation of dew and record their questions in the W column of the K-W-L chart. Return to the K-W-L chart at the conclusion of the Activity and record in the L column what students learned about the formation of dew and dew points. Correct any misinformation in the K column and see which questions they are able to answer from the W column. Topic: What Do You Know? What Do You Want to Know? What Did You Learn? Figure 13.4 Numerous KWL graphic organizers such as this are available online by searching for KWL chart. 144 National Science Teachers Association You should check the dew point yourself, especially during winter months. Indoors, the dew point in winter can be below 0 C at times. When the dew point is below 0 C, this Activity will not work. Be sure the materials are centrally located so that each group of students can easily access them. Soup cans or fruit and vegetable cans work best. Since opened cans often are extremely sharp, you should carefully inspect each can before use and caution students to handle them carefully. Use alcohol-filled thermometers, and warn students about the dangers of breaking the glass surrounding the alcohol. Crushed or cubed ice will work for the Activity. It is somewhat easier to add small amounts of crushed ice. It is best to start with room temperature water because sometimes tap water is cold enough to cause condensation by itself. Alternative Preparation This Activity could be done as a demonstration. If so, have students observe and record the temperatures. An alternate procedure can also be followed, as shown in Figure 13.5: 1. Place crushed ice in a small aluminum can (8 oz.). 2. Place the can inside another larger can, such as a coffee can. Place this can on top of a one-inch piece of cardboard or wooden block. 3. Place a thermometer inside the larger can. 4. When dew forms, record the temperature. This temperature is the dew point.
10 Teachers Guide 13 Figure 13.5 This setup uses one small can of crushed ice inside a larger can. Extended Learning This Activity leads naturally into a discussion of relative humidity. Have students find the relationship between temperature, dew point, and relative humidity. For more information on this topic, see Activity 15. In fact, there are tables that allow you to determine the relative humidity of the atmosphere from the dew point and the air temperature. Try different methods of determining relative humidity and compare the results. Students could measure dew point and temperature and create their own tables. Have students determine the relative humidity from an online calculator. If students know the temperature and the dew point, the online calculator will give them the relative humidity. Go to dewrh.shtml. Have students look at relative humidity as a variable to use for weather forecasting. Go to If you click on the relative humidity tab, you can then click on the next tab to see the forecast for relative humidity. 145 Project Earth Science: Meteorology, Revised 2nd Edition
11 Teachers Guide 13 Connections The presence of water can be very harmful for many instruments and machines. Medical companies must be aware of the relative humidity of the air so that their instruments can function properly. See industries/medical/ importance-dewpointmedical-air-systems. Interdisciplinary Study The poem Snail by Langston Hughes might be used to introduce the topic of dew point. Students can be asked to investigate whether snails actually drink dew. Also in the poem, what does the phrase dew drop s mystery mean? The text for the poem can be found on page 4 at downloads/bhm_elementary.pdf. Differentiated Learning Have students complete this activity at home. Set two pieces of black paper outside on the ground. Late in the day, when dew is likely to form, set up an umbrella so that it shades one of the black pieces of paper. At sunset, start checking the pieces of paper for any apparent signs of moisture. Continue checking every half hour. Dew may form on one but not the other but which one? If this experiment is done on different and consecutive nights, there may be some nights that no dew is formed, so doing this experiment on several nights may be worthwhile. Patterns in weather are often displayed through maps. These maps are used to show patterns over time and distance. Patterns of data, such as temperature, dew point, wind speed, and pressure, show the presence and movement of storm fronts and other weather patterns. Have students locate maps of various weather data, including water vapor. Have students create a map of dew points across the United States at the National Weather Service JetStream Online School for Weather. This activity can also be used to allow students to develop the idea of isopleths, which show equal values for data. Go to National Science Teachers Association Answers to Student Questions 1. This depends on students data. The answer is obtained by subtracting the average dew point from the measured air temperature. 2. It would indicate that there is more moisture in the air because the air would not have to be cooled as much to reach the point where it would be saturated. This means that there must be more water vapor in the air to begin with. 3. Air temperature and dew point would be the same in a cloud or fog. It is a preconception that it rains every time the air becomes saturated with water vapor. It is also a preconception that the air at ground level is saturated every time it rains. Often, the air just beneath a raining cloud is not saturated. 4. You are most likely to find dew in the early morning because the objects on which dew collects have cooled overnight while the Sun is not shining on them. These cool surfaces lower the surrounding air temperature to their dew point, just like the can in this Activity.
12 Teachers Guide You normally see dew on any surface on which it is cool enough for water vapor in the air to condense (for example, grass, cars, metal railings, spider webs). 6. Dew formed on the can without any water falling from the air. It simply condensed there from water vapor in the surrounding air. Assessment At the beginning of the Activity, assess students background knowledge about dew and its formation by using a K-W-L chart. (See Figure 13.4.) During the Activity, make sure students record the temperature data properly. If students have varying temperatures on their trials, have them start over with a dry, clean can. At the end of the Activity, you can assess the answers to student questions. At the end of the Activity, you might also want to take two to three concepts from the K column of the K-W-L chart and have students determine if the statement is correct. Resources Region/US/Dewpoint.html dewrh.shtml graphical/sectors/conus.php downloads/bhm_elementary. pdf industries/medical/importancedewpoint-medical-air-systems synoptic/ll_analyze_dp.htm 147 Project Earth Science: Meteorology, Revised 2nd Edition
The Sun and Water Cycle
Have you ever jumped in a puddle or played in the rain? If so, you know you can get very wet. What you may not know is that a dinosaur could have walked through that same water millions of years ago. The
More informationHow Does the Sun s Energy Cause Rain?
1.2 Investigate 3.3 Read How Does the Sun s Energy Cause Rain? In the water-cycle simulation, you observed water change from a liquid to a gas, and then back to a liquid falling to the bottom of the container.
More informationThe grade 5 English science unit, Weather, meets the academic content standards set in the Korean curriculum, which state students should:
Among the diverse meteorological elements, this area focuses on humidity, dew, fog, clouds, rain, snow, wind and atmospheric pressure. Weather influences not only our daily outdoor activities, but also
More informationRelative Humidity and Dew Point Lab
Name: Relative Humidity and Dew Point Lab Weather is the present state of the atmosphere. Factors that determine the type of weather the world will have are: air pressure, wind, temperature and the air
More informationWeather Tanks. NC Standards 5.E.1, 5.P.2.1 Page 3. Grade 5 Earth Science, Physical Science. Activity Description & Estimated Class Time.
Weather Tanks NC Standards 5.E.1, 5.P.2.1 Page 3 Grade 5 Earth Science, Physical Science Throughout the guide, teaching tips are in red. Activity Description & Estimated Class Time Objectives This activity
More information1. Base your answer to the following question on the weather map below, which shows a weather system that is affecting part of the United States.
1. Base your answer to the following question on the weather map below, which shows a weather system that is affecting part of the United States. Which sequence of events forms the clouds associated with
More informationWONDERING ABOUT WEATHER
NAME DATE PARTNERS WONDERING ABOUT WEATHER You are lying in the grass enjoying a few relaxing hours in the summer sun. You have your favorite cold drink and magazine close at hand. You close your eyes
More informationEvaporation - Water evaporates (changes from a liquid to a gas) into water vapor due to heat from the Sun.
Erin Kathryn 2016 Weather is the conditions of Earth s atmosphere at a certain time and place. For example, sunshine, rain, hurricanes, and storms are all examples of weather. Weather is different at different
More informationChapter 5: Weather. Only Section 1: What is Weather?
Chapter 5: Weather Only Section 1: What is Weather? Find the definitions of: Meteorology, meteorologist, weather, climate Not in book? Use the dictionaries **Meteorology - Meteorology is the study of the
More informationThree things necessary for weather are Heat, Air, Moisture (HAM) Weather takes place in the Troposphere (The lower part of the atmosphere).
Grade 5 SCIENCE WEATHER WATCH Name: STUDY NOTES Weather - The condition of the atmosphere with respect to heat/cold, wetness/dryness, clearness/ cloudiness for a period of time. Weather changes over time
More informationThe sun and water cycle
reflect The last time you took a shower, did you think about where the water came from? Sure, it came out of the showerhead, but what about before that? The water you used to wash could have spent time
More informationDeltaScience. Content Readers. Summary. Science Background. Objectives. Reading Comprehension Skills. Supporting English Learners
DeltaScience Content Readers TM Objectives Understand what causes weather. Explore weather factors related to air. Red Edition Grade 3 4 reading level Purple Edition Grade 4 5 reading level Explore weather
More informationWeather is the state or condition of the atmosphere at a given location for a brief time period.
Topic 8: WEATHER Workbook chapter 7 Weather is the state or condition of the atmosphere at a given location for a brief time period. Differences in how Earth s surfaces absorb and reradiate energy from
More informationActivity 6.5 From gas to liquid to solid
Activity 6.5 This activity is an extension of Activity 6.4a in which ice is used to make a container cold. As in Activity 6.4a, this activity will work only with sufficient water vapor in the air. Here,
More informationTopic 1 The Atmosphere and Atmospheric Variables
Name Notes: Topic 1 The Atmosphere Regents Earth Science Topic 1 The Atmosphere and Atmospheric Variables What is the atmosphere? Meteorology is the study of A. Structure of the Atmosphere: What two gases
More informationWater in the Air. Pages 38-45
Water in the Air Pages 38-45 Quick Write What is the water cycle? Draw and label a diagram of the water cycle. Chapter 2, Section 1 Does this look familiar? Please open your text to page 38 and copy and
More informationCondensation is the process by which water vapor changes from a gas to a liquid. Clouds form by this process.
CHAPTER 16 1 Water in the Air SECTION Understanding Weather BEFORE YOU READ After you read this section, you should be able to answer these questions: What is weather? How does water in the air affect
More informationTemp 54 Dew Point 41 Relative Humidity 63%
Temp 54 Dew Point 41 Relative Humidity 63% Water in the Atmosphere Evaporation Water molecules change from the liquid to gas phase Molecules in liquids move slowly Heat energy makes them move faster When
More informationThe Sun and Water Cycle
The last time you took a shower, did you think about where the water came from? Sure, it came out of the showerhead, but what about before that? The water you used to wash could have spent time in the
More informationIntroduction to Weather Moisture in the Air Vapor Pressure and Dew Point
Introduction to Weather Moisture in the Air Vapor Pressure and Dew Point No study of weather would be complete without a discussion of precipitation. Here in Seattle it seems like it can rain for days
More informationUNIT 12: THE HYDROLOGIC CYCLE
UNIT 12: THE HYDROLOGIC CYCLE After Unit 12 you should be able to: o Effectively use the charts Average Chemical Composition of Earth s Crust, Hydrosphere and Troposphere, Selected Properties of Earth
More information2.8-1 SCIENCE EXPERIMENTS ON FILE Revised Edition. Dew Formation
2.8-1 SCIENCE EXPERIMENTS ON FILE Revised Edition Dew Formation Topic Dew Time 30 minutes! Safety Please click on the safety icon to view safety precautions. Be careful using the thermometer. Be careful
More informationCopyright 2015 Edmentum All rights reserved.
Copyright 2015 Edmentum All rights reserved. weather 1 1. Sharon woke up on a sunny morning and ate breakfast. Then she looked outside and saw tall, quickly forming clouds. The clouds looked ready to rain.
More informationName Class Date STUDY GUIDE FOR CONTENT MASTERY
Atmosphere SECTION 11.1 Atmospheric Basics In your textbook, read about the composition of the atmosphere. Circle the letter of the choice that best completes the statement. 1. Most of Earth s atmosphere
More informationWeather - is the state of the atmosphere at a specific time & place
Weather Section 1 Weather - is the state of the atmosphere at a specific time & place Includes such conditions as air pressure, wind, temperature, and moisture in the air The Sun s heat evaporates water
More informationWeather Maps. The Sun s radiation produces weather on Earth.
Sunny days give way to rainy days. Storms appear, then fade away. Howling winds become gentle breezes. At one o clock on an autumn afternoon, an outdoor thermometer reads 20 C. An hour later, the temperature
More informationaccording to and water. High atmospheric pressure - Cold dry air is other air so it remains close to the earth, giving weather.
EARTH'S ATMOSPHERE Composition of the atmosphere - Earth's atmosphere consists of nitrogen ( %), oxygen ( %), small amounts of carbon dioxide, methane, argon, krypton, ozone, neon and other gases such
More informationName Class Date. 3. In what part of the water cycle do clouds form? a. precipitation b. evaporation c. condensation d. runoff
Skills Worksheet Directed Reading B Section: Water in the Air 1. What do we call the condition of the atmosphere at a certain time and place? a. the water cycle b. weather c. climate d. precipitation THE
More informationFlorida Content Standards Grade 6
Florida Content Standards Grade 6 : Earth Systems and Patterns The scientific theory of the evolution of Earth states that changes in our planet are driven by the flow of energy and the cycling of matter
More informationModule 11: Meteorology Topic 3 Content: Weather Instruments Notes
Introduction In order for meteorologists to accurately predict the weather, they take thousands of different weather measurements each day. Meteorologists need to use many tools in order to draw an accurate
More informationClouds and Rain Unit (3 pts)
Name: Section: Clouds and Rain Unit (Topic 8A-2) page 1 Clouds and Rain Unit (3 pts) As air rises, it cools due to the reduction in atmospheric pressure Air mainly consists of oxygen molecules and nitrogen
More informationWeather. Describing Weather
CHAPTER 13 Weather LESSON 1 Describing Weather What do you think? Read the two statements below and decide whether you agree or disagree with them. Place an A in the Before column if you agree with the
More informationanemometer a weather instrument that measures wind speed with wind-catching cups (SRB, IG)
FOSS Weather on Earth Module Glossary 3 rd Edition 2012 absorb to soak in air the mixture of gases surrounding Earth air pressure the force exerted on a surface by the mass of the air above it anemometer
More informationAtmosphere, Weather & Climate Review for Unit Assessment (Can be taken on Study Island Due Mon., 11/26/12)
Name Class Period Atmosphere, Weather & Climate Review for Unit Assessment (Can be taken on Study Island Due Mon., 11/26/12) 1. When hot and cold air meet, the hot air rises to the top. Which process causes
More informationWeather. A. atmosphere is a layer of gases that wrap around the Earth like a blanket.
Weather I. The air around us A. atmosphere is a layer of gases that wrap around the Earth like a blanket. II. Weather Temperature Humidity Air pressure Wind 1. contains the air we breathe, protects us
More information3 Weather and Climate
CHAPTER 22 3 Weather and Climate SECTION The Atmosphere KEY IDEAS As you read this section, keep these questions in mind: What are fronts? What are some types of severe weather? How is climate different
More informationName Date Hour Table. Chapter 12-AP Lesson One
Name Date Hour Table 1. Chapter 12-AP Lesson One 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. Name Date Hour Table Directions: Answer each question to create your word bank.
More informationWATER IN THE ATMOSPHERE
WATER IN THE ATMOSPHERE I. Humidity A. Defined as water vapor or moisture in the air (from evaporation and condensation). B. The atmosphere gains moisture from the evaporation of water from oceans, lakes,
More informationWater is one of the most important natural resources. People
60 Changing States of Water R EA D I N G Water is one of the most important natural resources. People need it for survival. Although the earth has a lot of water, it is not always in the right place or
More informationWeather. Describing Weather
Weather Describing Weather What is weather? Weather is the atmospheric conditions, along with short-term changes, of a certain place at a certain time. Have you ever been caught in a rainstorm on what
More informationINTRODUCTION TO LESSON CLUSTER 8 Explaining Evaporation and Boiling
INTRODUCTION TO LESSON CLUSTER 8 Explaining Evaporation and Boiling A. Lesson Cluster Goals and Lesson Objectives Goals: Students should be able to explain evaporation and boiling, both in macroscopic
More informationCreated by Mrs. Susan Dennison
Created by Mrs. Susan Dennison 2015-2015 The atmosphere is a layer of invisible gas (air) that surrounds the Earth. It wraps around the planet like a blanket. All weather happens in the lower atmosphere.
More informationEGYPTIAN AMERICAN INTERNATIONAL SCHOOL Elementary Science Department TERM 4 GRADE 4. Revision. 1. Weather ( ) 1. Is too little precipitation.
EGYPTIAN AMERICAN INTERNATIONAL SCHOOL Elementary Science Department TERM 4 GRADE 4 A. Match using letters: Revision 1. Weather ( ) 1. Is too little precipitation. 2. Humidity ( ) 2. Is the condition of
More informationWater in the Atmosphere
Water in the Atmosphere Characteristics of Water solid state at 0 o C or below (appearing as ice, snow, hail and ice crystals) liquid state between 0 o C and 100 o C (appearing as rain and cloud droplets)
More informationWhat is a change of state? What happens during a change of state? What can happen when a substance loses or gains energy?
CHAPTER 3 3 Changes of State SECTION States of Matter BEFORE YOU READ After you read this section, you should be able to answer these questions: What is a change of state? What happens during a change
More informationName: Period: Air Masses Notes 7 Minutes Page 2 Watch the air masses video. Make sure you follow along.
Air Masses and Fronts Activity Guide Component 8.3.3, 8.3.4, & 8.3.5 Guiding Questions (be able to answer these questions at the end of packet) 1. How are air masses formed? 2. What are the differences
More information1/2/2016 WEATHER DEFINITION
WEATHER DEFINITION Weather state or condition of the variables of the atmosphere at a given time Weather variables temperature, air pressure, wind, moisture, cloud cover, precipitation, storms Weather
More informationThe Whys of Weather Rain
Non-fiction: The Whys of Weather - Rain The Whys of Weather Rain Why does it rain? The sky gets cloudy. Clouds get darker and darker. The sun disappears, and soon drops start falling from the sky. But
More informationName Class Date. What is a change of state? What happens during a change of state? What can happen when a substance loses or gains energy?
CHAPTER 2 3 Changes of State SECTION States of Matter BEFORE YOU READ After you read this section, you should be able to answer these questions: What is a change of state? What happens during a change
More informationE.T. - A LOCAL WAY OF LEARNING E-56
E.T. - A LOCAL WAY OF LEARNING E-56 Title: Author: Jane Ducey Grade Level: 4-6 Eulalie R. Rivera Elementary School- Concepts: Disciplines: 1. The Sun 1.Earth Science 6. Natural Resources Objective: With
More informationMeasuring Albedo. Materials Light meters Student worksheets
Measuring Albedo Materials Light meters Student worksheets Background: Albedo is a measure of reflectivity. It is the ratio of the solar radiation (short wave radiation) reflected by a surface to the total
More informationBridge Grade Two Winter 1/09 1. GRADE TWO WINTER NATURE WALK Using Thermometers
Bridge Grade Two Winter 1/09 1 GRADE TWO WINTER NATURE WALK Using Thermometers OBJECTIVES: Use thermometers to measure temperature. Compare temperature of air and water inside and outside the school. Relate
More informationGuided Notes Weather. Part 1: Weather Factors Temperature Humidity Air Pressure Winds Station Models
Guided Notes Weather Part 1: Weather Factors Temperature Humidity Air Pressure Winds Station Models. 1. What is weather? Weather: short-term atmospheric conditions in a specific area at a specific time
More informationMeteorology Unit Study Guide
Name: Key Pd. Date: 1. Define meteorology Meteorology Unit Study Guide Study of the atmosphere including weather and weather patterns 2. The most abundant gas in the atmosphere by volume is. This gas comprises
More informationOur Planet Earth. I nteractions of Earth Systems
CHAPTER 3 LESSON 2 Our Planet Earth I nteractions of Earth Systems Key Concepts How does the water cycle show interactions of Earth systems? How does weather show interactions of Earth systems? How does
More informationWeather Systems Study Guide:
Weather Systems Study Guide: 1. Draw a diagram of Earth s water cycle and label each part. 2. Explain how the water cycle works. 3. What happens in the troposphere and stratosphere? Atmosphere Level What
More informationASSESSMENT CHART FOR INVESTIGATIONS 1 AND 2 STUDENT NAME
ASSESSMENT CHART FOR INVESTIGATIONS 1 AND 2 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. STUDENT NAME Weather Measurements (TO)
More informationMETEOROLOGY 110 Lab 4 Name. Meteorological Measurements
METEOROLOGY 110 Lab 4 Name I. Response speeds of thermometers Meteorological Measurements How do you know what the air temperature is? Most people would answer: I read a thermometer. But is the thermometer
More informationChapter 1, Lesson 3: The Ups and Downs of Thermometers
Chapter 1, Lesson 3: The Ups and Downs of Thermometers Key Concepts The way a thermometer works is an example of heating and cooling a liquid. When heated, the molecules of the liquid in the thermometer
More informationAtoms and molecules are in motion and have energy
Atoms and molecules are in motion and have energy By now you know that substances are made of atoms and molecules. These atoms and molecules are always in motion and have attractions to each other. When
More informationFebruary 11, Weather and Water Investigation 6 Day 6
Weather and Water Investigation 6 Day 6 What is dew point? Bell Work Response Sheet: Water In The Air Answers When we put water on our hands and waved them in the air, our skin felt cooler. That's because
More informationWeather Part I- Weather Variables
Weather Part I- Weather Variables 3-1-19 Definitions Meteorology- is the study of the atmosphere- including weather. Weather-the daily conditions of the atmosphere. It can change from time to time and
More informationWhat Is Air Temperature?
2.2 Read What Is Air Temperature? In Learning Set 1, you used a thermometer to measure air temperature. But what exactly was the thermometer measuring? What is different about cold air and warm air that
More informationWEATHER AND CLIMATE (K.ES.NGSS)
TM WEATHER AND CLIMATE (K.ES.NGSS) UNIT AT A GLANCE ACTIVITY 1 - Weather Watchers: Making Observations QUESTIONS: What do we need to know about the weather, and what do we need to find out? Preparation:
More informationWeather and climate. reflect. what do you think? look out!
reflect You re going on vacation in a week and you have to start thinking about what clothes you re going to pack for your trip. You ve read the weather reports for your vacation spot, but you know that
More informationChapter Introduction. Weather. Patterns. Forecasts Chapter Wrap-Up
Chapter Introduction Lesson 1 Lesson 2 Lesson 3 Describing Weather Weather Patterns Weather Forecasts Chapter Wrap-Up How do scientists describe and predict weather? What do you think? Before you begin,
More informationA) usually less B) dark colored and rough D) light colored with a smooth surface A) transparency of the atmosphere D) rough, black surface
1. Base your answer to the following question on the diagram below which shows two identical houses, A and B, in a city in North Carolina. One house was built on the east side of a factory, and the other
More informationProbabilistic Decision-Making and Weather Assessment
5 Student Packet Probabilistic Decision-Making and Weather Assessment Use contents of this packet as you feel appropriate. You are free to copy and use any of the material in this lesson plan. Packet Contents
More informationWATER IN THE ATMOSPHERE
WATER IN THE ATMOSPHERE During a rainstorm, the air feels moist On a clear, cloudless day, the air may feel dry As the sun heats the land and oceans, the amount of water in the atmosphere changes Water
More informationUnit: Weather Study Guide
Name: Period: Unit: Weather Study Guide Define each vocabulary word on a separate piece of paper or index card. Weather Climate Temperature Wind chill Heat index Sky conditions UV index Visibility Wind
More informationWatching the Weather
Watching the Weather Topic Observing the weather Key Question What is the weather like today? Focus Students will observe and record weather conditions over a long period of time. Guiding Documents NCTM
More informationHeat of Fusion Determining the Heat of Fusion of Ice
19 Determining the of Ice The heat of fusion is the quantity of heat needed to change one kilogram of a substance from the solid state to the liquid state at the normal melting point of the substance.
More informationPREDICTING THE WEATHER
NAME DATE PARTNER(S) PREDICTING THE WEATHER How well does your local weatherman do in predicting the weather? Is he or she more accurate for the next day or for a week in the future? Why do you think that
More informationWeather Instruments WHAT IS WEATHER
TOPIC TWO 1 WHAT IS WEATHER Weather is the combined short-term conditions found in the lower atmosphere. These conditions include precipitation, or rain and snow, as well as wind, pressure, storminess,
More informationExplain the parts of the water cycle that are directly connected to weather.
Name: Pd: Date: Page # Describing Weather -- Lesson 1 Study Guide Rating Before Learning Goals Rating After 1 2 3 4 Describe weather. 1 2 3 4 1 2 3 4 List and define the variables used to describe weather.
More informationPost-Show. Weather. After the Show. Traveling Science Shows
Traveling Science Shows Post-Show Weather After the Show We recently presented a Weather show at your school, and thought you and your students might like to continue investigating this topic. The following
More informationPd: Date: Page # Describing Weather -- Lesson 1 Study Guide
Name: Pd: Date: Page # Describing Weather -- Lesson 1 Study Guide Rating Before Learning Goals Rating After 1 2 3 4 Describe weather. 1 2 3 4 1 2 3 4 List and define the variables used to describe weather.
More information4 Forecasting Weather
CHAPTER 16 4 Forecasting Weather SECTION Understanding Weather BEFORE YOU READ After you read this section, you should be able to answer these questions: What instruments are used to forecast weather?
More informationELEMENTARY SCIENCE PROGRAM MATH, SCIENCE & TECHNOLOGY EDUCATION. A Collection of Learning Experiences WEATHER Weather Student Activity Book
ELEMENTARY SCIENCE PROGRAM MATH, SCIENCE & TECHNOLOGY EDUCATION A Collection of Learning Experiences WEATHER Weather Student Activity Book Name This learning experience activity book is yours to keep.
More information5.2 (HUMIDITY) WEATHER EARTH SCIENCE
EARTH SCIENCE 5.2 (HUMIDITY) WEATHER Text: The water vapor content of the air is called humidity. The amount of water vapor air can hold depends on its temperature. Warm air can hold far more moisture
More informationMeteorology Final Exam Study Guide Part 2
Name: Teacher Science 8. Date: Water in the Air 1. Define the following terms: Meteorology Final Exam Study Guide Part 2 Evaporation Condensation Relative Humidity Dew Point Humidity Saturation Condensation
More informationThird Grade Math and Science DBQ Weather and Climate/Representing and Interpreting Charts and Data - Teacher s Guide
Third Grade Math and Science DBQ Weather and Climate/Representing and Interpreting Charts and Data - Teacher s Guide A document based question (DBQ) is an authentic assessment where students interact with
More informationEarth/Space Systems and Cycles (SOL 4.6)
Earth/Space Systems and Cycles (SOL 4.6) Temperature is the measure of the amount of heat energy in the atmosphere. Air pressure is due to the weight of the air and is determined by several factors including
More informationDew Point and Cloud Formation
Name: Date: ES: 1 2 3 4 Dew Point and Cloud Formation Part A: Run some water over your hands. After shaking off the excess, wave them back and forth until they are dry. 1. Describe the change in temperature
More informationTemperature Changes OBJECTIVES PREPARATION SCHEDULE MATERIALS. The students. For each student. For each team of two. For the class
activity 3 Temperature Changes OBJECTIVES Students observe changes in air temperature and discover the role of the Sun in heating Earth. The students measure and record outdoor air temperature at three
More informationChapter 2, Lesson 1: Heat, Temperature, and Conduction
Chapter 2, Lesson 1: Heat, Temperature, and Conduction Key Concepts Adding energy (heating) atoms and molecules increases their motion, resulting in an increase in temperature. Removing energy (cooling)
More informationI T A T I O N H B I T B T V A O C J K M R S A T M O S P H E R E
Word Search Directions: Below are definitions of vocabulary terms. Figure out each term and then find and circle it in the puzzle. Words may appear horizontally, vertically, or diagonally. K E M I S S
More information1. CLIMATOLOGY: 2. ATMOSPHERIC CHEMISTRY:
What is meteorology? A. METEOROLOGY: an atmospheric science that studies the day to day changes in the atmosphere 1. ATMOSPHERE: the blanket of gas that surrounds the surface of Earth; the air 2. WEATHER:
More informationIntroduction to Weather: Moisture in the Air Vapor Pressure and Dew Point
IDS 102 Winter 2008 Introduction to Weather: Moisture in the Air Vapor Pressure and Dew Point During fall quarter we covered the topic of pressure and it has been a while since the, so let s review a couple
More information3.3 Phase Changes 88 A NATURAL APPROACH TO CHEMISTRY. Section 3.3 Phase Changes
Section 3.3 Phase Changes 3.3 Phase Changes Solid, liquid and gas During a phase change, a substance rearranges the order of its particles (atoms or molecules). Examples of phase change include melting
More informationScience Chapter 13,14,15
Science 1206 Chapter 13,14,15 1 Weather dynamics is the study of how the motion of water and air causes weather patterns. Energy from the Sun drives the motion of clouds, air, and water. Earth s tilt at
More informationStates of Matter: Solid, Liquid, and Gas
Movie Special Effects Activity 2 States of Matter: Solid, Liquid, and Gas GOALS In this activity you will: Create an animation to illustrate the behavior of particles in different phases of matter, and
More informationChemistry A: States of Matter Packet Name: Hour: Page!1. Chemistry A States of Matter Packet
Chemistry A: States of Matter Packet Name: Hour: Page!1 Chemistry A States of Matter Packet Chemistry A: States of Matter Packet Name: Hour: Page!2 Worksheet #1: States of Matter In this packet we will
More informationOcean s Influence on Weather and Climate
Earth is often called the Blue Planet because so much of its surface (about 71%) is covered by water. Of all the water on Earth, about 96.5%, is held in the world s oceans. As you can imagine, these oceans
More informationMeteorology Study Guide
Name: Date: Meteorology Study Guide 1. Label the following steps in the water cycle diagram. Be sure to include arrows to show the flow of water through the cycle. - Transpiration - Precipitation -Evaporation
More informationMr. P s Science Test!
WEATHER- 2017 Mr. P s Science Test! # Name Date 1. Draw and label a weather station model. (10 pts) 2. The is the layer of the atmosphere with our weather. 3. Meteorologists classify clouds in about different
More informationWeather 101 Brad Jakubowski Doane College Water
Weather 101 Fundamental Meteorology for Turf Managers Brad Jakubowski Doane College Do Baseballs Really Fly Farther at Coors Field? In theory, A well struck baseball should travel 10 percent farther at
More information3. Recognize that when a science investigation is replicated, very similar results are expected.
STANDARD 5.1 SCIENTIFIC PROCESSES ALL STUDENTS WILL DEVELOP PROBLEM-SOLVING, DECISION-MAKING AND INQUIRY SKILLS, REFLECTED BY FORMULATING USABLE QUESTIONS AND HYPOTHESES, PLANNING EXPERIMENTS, CONDUCTING
More informationCondensation, Evaporation, Weather, and the Water Cycle
Last name: First name: Date: Period: COM INC COM* Condensation, Evaporation, Weather, and the Water Cycle Evaporation and boiling are both types of vaporization, in which a liquid changes into a gas. The
More informationGoal 2.5. The Atmosphere
Goal 2.5 The Atmosphere Lesson 1 Atmospheric Basics Think About It Why would it be a bad thing if the atmosphere was mostly oxygen? Focus Question What is the structure and function of the atmosphere?
More information