Warm-Up Draw a picture of the water cycle
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- Deirdre Robertson
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1 Warm-Up Draw a picture of the water cycle
2 RED SLIDE: These are notes that are very important and should be recorded in your science journal. BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly.
3 Keep an eye out for The-Owl and raise your hand as soon as you see him. He will be hiding somewhere in the slideshow Hoot, Hoot Good Luck!
4 It s not the heat that gets you, it s the?
5 It s the humidity.
6 Heat Index / Apparent Temperature
7 Heat Index / Apparent Temperature It feels hotter than the actual temperature when there is high humidity.
8 Heat Index / Apparent Temperature It feels hotter than the actual temperature when there is high humidity.
9 What does this graph show?
10 What does this graph show? The process of changing phase requires a lot of energy. Any added heat energy gets soaked up by the phase change so it does not change the temperature of the substance.
11 When it is humid, your sweat doesn t evaporate.
12 When it is humid, your sweat doesn t evaporate. When sweat evaporates / changes form, heat is removed and you are cooled. This process doesn t occur well when it is humid.
13 When it is humid, your sweat doesn t evaporate. When sweat evaporates / changes form, heat is removed and you are cooled. This process doesn t occur well when it is humid.
14 Humidity: Wetness in the atmosphere
15 Evaporation: Water turns from liquid to gas.
16 Condensation: Water turns from gas to liquid
17 Activity! Experiencing Condensation. Instructions on next slide.
18 Activity! Experiencing Condensation.
19 Activity! Experiencing Condensation. Place small amount of water in soda can.
20 Activity! Experiencing Condensation. Place small amount of water in soda can. Heat until all water in can turns to steam.
21 Activity! Experiencing Condensation. Place small amount of water in soda can. Heat until all water in can turns to steam. Very quickly remove the can from the heat source and insert it upside down into a container of cold water.
22 Activity! Experiencing Condensation. Place small amount of water in soda can. Heat until all water in can turns to steam. Very quickly remove the can from the heat source and insert it upside down into a container of cold water. What Happened? Record in your journal.
23 Activity! Experiencing Condensation. Place small amount of water in soda can. Heat until all water in can turns to steam. Very quickly remove the can from the heat source and insert it upside down into a container of cold water. What Happened? Record in your journal.
24 Answer!
25 Answer! The steam is cooled in the ice water and condenses into a small quantity of liquid water.
26 Answer! The steam is cooled in the ice water and condenses into a small quantity of liquid water. Condensation of steam to liquid water creates a vacuum inside the can.
27 Answer! The steam is cooled in the ice water and condenses into a small quantity of liquid water. Condensation of steam to liquid water creates a vacuum inside the can. Atmospheric pressure outside the can is around 760 mm Hg, while pressure inside the can is much less.
28 Answer! The steam is cooled in the ice water and condenses into a small quantity of liquid water. Condensation of steam to liquid water creates a vacuum inside the can. Atmospheric pressure outside the can is around 760 mm Hg, while pressure inside the can is much less. The can collapses because of the pressure difference.
29 Answer! The steam is cooled in the ice water and condenses into a small quantity of liquid water. Condensation of steam to liquid water creates a vacuum inside the can. Atmospheric pressure outside the can is around 760 mm Hg, while pressure inside the can is much less. The can collapses because of the pressure difference.
30 What weather phenomenon is the next slide going to be about?
31 What weather phenomenon is the next slide going to be about?
32 What weather phenomenon is the next slide going to be about?
33 What weather phenomenon is the next slide going to be about?
34 What weather phenomenon is the next slide going to be about?
35 What weather phenomenon is the next slide going to be about?
36 What weather phenomenon is the next slide going to be about?
37 What weather phenomenon is the next slide going to be about?
38 What weather phenomenon is the next slide going to be about?
39 Dew: moisture condensed from the atmosphere, esp. at night, and deposited in the form of small drops upon any cool surface.
40 Dew: you moisture see condensed from the atmosphere, esp. at night, and deposited in me? the form of small drops upon any cool surface.
41 Dew Point: The temperature to which air must be cooled for saturation to occur.
42 Saturated!
43 Is this sponge saturated?
44 Is this sponge saturated? Answer: No! It can still hold more water.
45 Sling psychrometer: Device used to measure humidity.
46 Activity: Finding the relative humidity with a sling psychrometer.
47 Two thermometers mounted together with a handle attached on a chain.
48 Two thermometers mounted together with a handle attached on a chain. One thermometer is ordinary.
49 Two thermometers mounted together with a handle attached on a chain. One thermometer is ordinary. The other has a cloth wick over its bulb.
50 Two thermometers mounted together with a handle attached on a chain. One thermometer is ordinary. The other has a cloth wick over its bulb.
51 When a reading is to be taken, the wick is first dipped in water and then the instrument is whirled around.
52 When a reading is to be taken, the wick is first dipped in water and then the instrument is whirled around. During the whirling, the water evaporates from the wick, cooling the wet-bulb thermometer.
53 When a reading is to be taken, the wick is first dipped in water and then the instrument is whirled around. During the whirling, the water evaporates from the wick, cooling the wet-bulb thermometer. Then the temperatures of both thermometers are read.
54 When a reading is to be taken, the wick is first dipped in water and then the instrument is whirled around. During the whirling, the water evaporates from the wick, cooling the wet-bulb thermometer. Then the temperatures of both thermometers are read.
55 Temperature Differences Humidity None 100% % % % % % % % %
56 New Area of Focus: Clouds
57
58 Cloud: A visible body of very fine water droplets or ice particles suspended in the atmosphere at different altitudes.
59 How are clouds made?
60 Which letter best represents water vapor in the air before cloud formation. B A C
61 Answer! C Water vapor rises after evaporation and transpiration into the air. B A C
62 Which letter best represents water droplets clumping together as temperatures and air pressures drop. B A C
63 Answer! B Clouds form as the water vapor cools and clumps together around a condensation nuclei. B A C
64 Which letter represents when the droplets are too heavy to float in the air they fall to the ground in the form of rain or snow called, precipitation. B A C
65 Clouds Water molecules attach to a condensation nuclei.
66 Activity! Making a cloud
67 Activity! (Demonstration) Cloud in a bottle
68 Activity! (Demonstration) Cloud in a bottle Pour just enough warm water in the bottle to cover the bottom of the container.
69 Activity! (Demonstration) Cloud in a bottle Pour just enough warm water in the bottle to cover the bottom of the container. Light the match and place the match head inside the bottle.
70 Activity! (Demonstration) Cloud in a bottle Pour just enough warm water in the bottle to cover the bottom of the container. Light the match and place the match head inside the bottle. Allow the bottle to fill with smoke.
71 Activity! (Demonstration) Cloud in a bottle Pour just enough warm water in the bottle to cover the bottom of the container. Light the match and place the match head inside the bottle. Allow the bottle to fill with smoke. Cap the bottle.
72 Activity! (Demonstration) Cloud in a bottle Pour just enough warm water in the bottle to cover the bottom of the container. Light the match and place the match head inside the bottle. Allow the bottle to fill with smoke. Cap the bottle. Squeeze the bottle really hard a few times. When you release the bottle, you should see the cloud form. It may disappear between 'squeezes'.
73 Activity! (Demonstration) Cloud in a bottle Pour just enough warm water in the bottle to cover the bottom of the container. Light the match and place the match head inside the bottle. Allow the bottle to fill with smoke. Cap the bottle. Squeeze the bottle really hard a few times. When you release the bottle, you should see the cloud form. It may disappear between 'squeezes'.
74 Answer! Cloud in a bottle. Squeezing the bottle makes the bottle (slightly) smaller, thus forcing the air particles to get closer together and thus increases (slightly) the air pressure and temperature in the bottle.
75 Answer! Cloud in a bottle. Squeezing the bottle makes the bottle (slightly) smaller, thus forcing the air particles to get closer together and thus increases (slightly) the air pressure and temperature in the bottle. When you release the bottle the air expands back into its original volume lowering the pressure and temperature in the bottle to the point where the moisture in the air can condense.
76 Answer! Cloud in a bottle. Squeezing the bottle makes the bottle (slightly) smaller, thus forcing the air particles to get closer together and thus increases (slightly) the air pressure and temperature in the bottle. When you release the bottle the air expands back into its original volume lowering the pressure and temperature in the bottle to the point where the moisture in the air can condense. Smoke crates condensation nuclei particles.
77 Fog: A cloud bank that is in contact with the ground.
78 Fog: A cloud bank that is in contact with the ground.
79 In really dry places, morning fog can be collected. Desert animals take advantage of dew.
80 The three main types are - - -
81 Cirrus
82 Cumulus
83 Stratus
84 Which cloud type fits the following description? Middle elevation, white, puffy, and represents pleasant weather.
85 Answer! Cumulus Clouds. Middle elevation, white, puffy, and represents pleasant weather.
86 Cumulus: Middle elevation, white, puffy, and represents pleasant weather.
87 Which cloud type fits the following description?
88 Which cloud type fits the following description? High elevation, wispy, ice-crystals, and represents a change in weather is coming.
89 Answer! Cirrus High elevation, wispy, ice-crystals, and represents a change in weather is coming.
90 Which cloud type fits the following description?
91 Which cloud type fits the following description? Low elevation, gray, precipitation.
92 Stratus
93 Stratus Low elevation, gray, precipitation.
94 What type of cloud would this be?
95 Cumulonimbus Very tall, anvil shaped ) ( Massive thunderstorms.
96 Cumulonimbus Very tall, anvil shaped ) ( Massive thunderstorms.
97 Cumulonimbus Very tall, anvil shaped ) ( Massive thunderstorms.
98 Cumulonimbus Very tall, anvil shaped ) ( Massive thunderstorms.
99 This is a picture of a lenticular cloud. Lens shaped, forms at high altitudes.
100 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
101 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
102 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
103 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
104 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
105 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
106 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
107 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
108 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
109 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
110 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
111 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
112 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
113 Cloud Prefixes Cirro - High Altitude Alto - Middle Nimbo - Low Strato - Layered
114 Activity! Use the white boards and work as a table group to name the cloud.
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138 Use your knowledge of the prefixes and three main cloud types to name the cloud formation in each slide.
139 1
140 1 Stratocumulus
141 2
142 2 Cirrus
143 3
144 3 Cumulus
145 4
146 4 stratus
147 5
148 5 Cumulonimbus
149 6
150 6 Nimbostratus
151 7
152 7 Cirrus
153 8
154 8 Nimbostratus
155 9
156 9 Cirrostratus
157 10
158 10 Altostratus
159 11
160 11 Altostratus
161 12
162 12 Cirrostratus
163 13
164 13 Cirrocumulus
165 14
166 14 Cumulus -Borderline altocumulus
167 15
168 15 Altocumulus
169 16
170 16 Cirrus
171 17
172 17 Cumulonimbus
173 18
174 18 Nimbostratus
175 19
176 19 Lenticular
177 20
178 20 Cumulonimbus
179 Bonus #1 Cumulus clouds can be seen in this movie. What is the movie?
180 Bonus #1 Movie: Up (2009)
181 Bonus #2. What do you know about this picture?
182 Bonus #2. Cloud City from Star Wars Episode V The Empire Strikes Back.
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