Semester 1 Review Questions for Exam
|
|
- Clifford Montgomery
- 5 years ago
- Views:
Transcription
1 Semester 1 Review Questions for Exam Completion Complete each sentence or statement. 1. The part of an ecosystem where an organism lives and feeds is called the organism s 2. All the biotic and abiotic factors in an area together make up a(n) 3. Prairie dogs, snakes, and grass make up a level of ecological organization called a(n) 4. All the prairie dogs in one area are an example of a(n) 5. Water, sunlight, and soil are factors in an ecosystem. 6. Two abiotic factors that are needed for photosynthesis are sunlight and 7. Scientists who study how living things interact with the environment are called 8. The method of estimating involves multiplying the number of organisms in a small area to find the number in a larger area. 9. Observing animal tracks is an example of observation, which is used to estimate population size. 10. A group of zebras breaking off from a herd decreases the size of the herd population through 11. The major way that populations increase in size is through the of offspring. 12. If food is scarce, it becomes a factor that prevents population growth. 13. A lack of places to build nests is an example of as a limiting factor for a population of birds. 14. The thick fur of a polar bear is a(n) that allows the bear to live successfully in its environment. 15. Ticks feed on the blood of mice in a symbiotic relationship called 16. A close relationship between two species that benefits at least one of the species is known as 17. The struggle of two species to occupy a certain niche in an ecosystem is an example of 18. A hawk building a nest on the arm of a cactus without hurting the cactus is an example of the symbiotic relationship called 19. A flea is a parasite that lives on a(n) such as a dog. 20. The study of how living things interact with each other and with their environment is called 21. Bacteria and fungi are known as because they break down the remains of organisms. 22. The energy role of a grizzly bear is that of a(n) because it cannot make its own food.
2 23. A diagram called a(n) shows how much energy is available at each level of a food web. 24. The least amount of energy is available at the level of an energy pyramid. 25. The energy role of the first organism in a food chain is always a(n) 26. An organism that eats only plants is a consumer. 27. Water vapor turns into droplets of liquid water in the process of 28. Water from a lake changes to the gas state in the process of 29. Certain bacteria change nitrogen gas into a usable form in a process called 30. Producers use carbon from the gas to make sugars and starches. 31. The distribution of species has been affected by the slow movement of Earth s continents called 32. Small, light organisms such as baby spiders can be dispersed by 33. Mountains and deserts that are difficult for organisms to cross are barriers to dispersal. 34. Temperature and precipitation determine an area s, which can limit dispersal of organisms. 35. The biome receives less than 25 centimeters of rain a year and may have large temperature shifts every day. 36. The soil that is frozen all year in the tundra is called 37. The neritic zone over the continental shelf is part of the biome. 38. The part of the open ocean that receives enough light for floating algae to carry out photosynthesis is called the zone. 39. species such as lichens are the first to grow in an area with no soil. 40. The type of succession that occurs in an area where an ecosystem previously existed is called succession. 41. A(n) is a substance that cannot be broken down into any other substance by either chemical or physical means. 42. In a(n) change, elements and/or compounds rearrange to form different materials. 43. Atoms are held together by forces known as 44. A precipitate is a that forms from solution during a chemical reaction. 45. A subscript shows the number of of an element in a molecule. 46. The principle of states that during a chemical reaction, matter is not created or destroyed. 47. A reaction in which one element replaces another in a compound or in which two elements in different compounds trade places is called a reaction. 48. A chemical reaction that releases energy in the form of heat is a(n) reaction.
3 49. The is the amount of one material present in a given volume of another material. 50. A fuel is a material that will release when it burns. 51. When added to a fire, water and prevents the fuel from coming in contact with oxygen. 52. One of the most effective ways to fight a small fire is to use a 53. Two or more atoms may combine to form a 54. The process of dissolving sugar in water is a change. 55. The production of a gas when acid is added to a sample of chalk is an indication of a reaction. 56. The of a compound shows the ratio of elements present in the compound. 57. In a reaction, the products are simpler substances than the reactant. 58. The is the minimum amount of energy that must be added to start a chemical reaction. 59. A material used to decrease the rate of a reaction is called a(n) 60. A wet log will not burn easily because a large amount of must be added to the log to evaporate the water. 61. Neutrons are particles that have charge. 62. Chemical bonds form when valence electrons are between atoms. 63. In the periodic table, atoms are arranged from left to right and from top to bottom in order of increasing 64. Group 18 elements, also known as the noble gases, with other elements. 65. Nitrate (NO 3 ), ammonium (NH 4 + ), and carbonate (CO 3 2 ) are examples of ions. 66. When ions having a charge of 2+ form bonds with ions having a charge of 2, the charge on the resulting compound is 67. Ionic compounds that dissolve in water conduct electricity because they 68. Bonds that form between two nonmetal atoms usually are bonds. 69. Molecular compounds that dissolve in water do not conduct electricity because no are present. 70. Fluorine (F 2 ) is a molecule because the valence electrons are shared equally between the two fluorine atoms. 71. A naturally occurring solid that has a and a definite chemical composition is called a mineral. 72. are very energetic particles moving about in the space outside the nucleus. 73. A neutral atom never has more than valence electrons. 74. Elements in the same row of the periodic table are in the same
4 75. Elements in Group 17 (the halogens) are the reactive nonmetals. 76. Elements in Group 1 lose one electron to form ions with a charge. 77. When an ionic compound forms, the total number of positive charges and the total number of negative charges must be 78. In a double covalent bond, electrons are shared between two atoms. 79. Because the electrons in a molecule of hydrogen fluoride (HF) are more strongly pulled toward the fluorine atom, the molecule is 80. A is a mixture that appears uniform throughout and whose particles cannot easily be separated. 81. When a solution forms, particles of a solute and become surrounded by particles of the solvent. 82. If you can continue to add more solute to a solution, the solution is said to be 83. The presence of a solute makes it harder for solvent molecules to escape when heated, and so the boiling point of a solution is than that of the pure solvent. 84. A(n) is a compound that tastes sour and reacts with some metals. 85. A(n) is a compound that turns litmus blue and is often found in soaps and detergents. 86. Substances that form hydrogen ions when released in water are called 87. When the ph is high, the concentration of hydrogen ions is 88. In a reaction of an acid with a base, the ph changes to a value that is closer to 89. Because it will dissolve so many solutes, is sometimes called the universal solvent. 90. Ionic and polar compounds in water because water molecules are polar. 91. At the same concentrations, strong acids produce more than weak acids. 92. Foods such as oranges, tomatoes, and apples have a ph that is than A(n) is an ionic compound produced from the neutralization of an acid with a base. 94. Acids are, which means that they eat away at other materials. Short Answer
5 95. Describe two things the prairie dogs need to live that they obtain from their habitat. 96. What is the smallest unit of organization in an ecosystem? Give two examples from the diagram. 97. Describe one of the prairie dog s adaptations and how it helps the prairie dog to survive. 98. What level of ecological organization do all of the owls in a certain area represent? 99. Is the prairie soil a biotic factor or an abiotic factor? Explain your answer Describe three factors that could limit the growth of the prairie dog population.
6 101. How was the pheasant population changing at Point A? 102. Which letter marks the peak of the pheasant population? 103. What happened to the pheasant population between Point B and Point C? 104. What are some possible explanations for the change in pheasant population between Point B and Point C? 105. In 1990, a large resort hotel was built on the island where these pheasants live. Explain how this might have affected the pheasant population What was the density of pheasants in 1968, 1976, and 1990? 107. Which organisms shown are producers? 108. Which organisms shown are consumers? 109. What would happen to the other organisms if all the plants in this ecosystem died? 110. Use the organisms pictured in this ecosystem to construct a food chain Approximately what percentage of the energy in the plants is passed on to the animals that eat them? 112. Why are there relatively few third-level consumers like bears in an ecosystem? 113. Which number represents the organisms responsible for converting nitrogen gas into a usable form of nitrogen? 114. Which number represents the form of nitrogen that can be used by plants? 115. Describe three roles bacteria play in the nitrogen cycle Explain the role of an animal such as the horse in the nitrogen cycle Which number represents a group of organisms that break down the wastes and remains of other organisms? 118. On what part of a plant do the organisms represented by number 8 live?
7 119. Is the reaction that occurs in the diagram endothermic or exothermic? Explain When the candle was lit, a pool of liquid wax formed in the area around the wick, and then spilled over the side and resolidified. Does this observation refer to a physical change or a chemical change? Explain If the candle is covered by a large glass beaker, the flame will go out. How does the beaker affect the conditions described by the fire triangle? 122. If the products formed from the burning candle are mostly carbon (C), carbon dioxide (CO 2 ), and water (H 2 O), what elements were in the reactants? How do you know? 123. The flame from the candle gives off black smoke. Does this statement describe evidence for a physical change or a chemical change? Explain Candles often are made of several different kinds of waxes, and sometimes colorful dyes and pleasing scents. Does this statement describe a compound or a mixture? Explain.
8 125. What type of chemical reaction is represented in the diagram? Explain How would the mass of water formed in the reaction compare to the mass of oxygen that reacts? 127. Identify the reactant(s) and product(s) of the reaction Where does the water come from in the reaction? 129. What is the purpose of the burning splint in the reaction? 130. Write a balanced equation for the reaction List three elements from the group containing the most reactive nonmetals In each period, how does the number of electrons in each kind of atom change from left to right between Groups 1 and 2? Explain how you know.
9 133. How many atoms of a Group 17 element would be needed to react with one atom of a Group 2 element? Explain In an electron dot diagram of aluminum (Al), how many dots should be drawn around the element s symbol? Why? 135. Which group of elements loses electrons most easily? 136. Which group contains elements with two valence electrons? 137. How do protons, neutrons, and electrons differ in charge? 138. Where and what is the electron cloud of an atom? 139. What happens to the solubility of potassium nitrate (KNO 3 ) as the temperature rises? 140. According to the graph, which of the compounds is most soluble at 0 C? Which is least soluble at 100 C? 141. Compare the solubility of sodium nitrate (NaNO 3 ) to that of ammonia (NH 3 ) How many grams of potassium nitrate (KNO 3 ) will settle out when a saturated solution containing 100 grams of water is cooled from 70 C to 50 C? 143. At a high temperature, what other compounds besides ammonia (NH 3 ) have a lower solubility than that of potassium nitrate (KNO 3 )? 144. At 70 C, 60 grams of ammonium chloride (NH 4 Cl) are added to 100 grams of water. What will happen if 10 grams more of ammonium chloride are added to the solution? Explain.
10 145. Use the ph scale to predict how the taste of an apple and a lemon would compare. Which has the more sour taste? Explain In terms of ph, explain what would happen if you mixed vinegar with a solution of ammonia. What type of products would form? 147. What does the ph of drain cleaner tell you about the dangers of such a product? 148. What color would litmus paper turn in a solution of baking soda? Explain your answer in terms of ph Why does soap taste bitter? 150. What does the ph of water tell you about how the water differs from the other items shown in the diagram?
Unit 4. Compounds & Mixtures
Unit 4 Compounds & Mixtures Homework for Unit 4 1. Vocab for Unit 4; due: 2. Pg 81 (1-7), Pg 83 (1-7), Pg 85 (1-6) complete sentences; due: 3. Pg 149 (1-4), Pg 169 (1-4), Pg 173 (1-7) complete sentences;
More informationPhysical Science Lecture Notes Chapters 17, 18 & 19
Physical Science Lecture Notes Chapters 17, 18 & 19 I. 17-1: Matter & Its Changes a. Changes in matter i. Physical Changes Alters form or appearance but doesn t change it into another substance ie. Water
More informationPage 1 / 12. Chemistry Exam. Name: Matter Properties, Structure. Question 1 (1 point) The atomic number of an atom is. A. The mass of the atom.
Chemistry Exam Matter Properties, Structure Name: Question 1 (1 point) The atomic number of an atom is A. The mass of the atom. B. The number of protons added to the number of neutrons in the nucleus.
More informationChapter: Atomic Structure and Chemical Bonds
Table of Contents Chapter: Atomic Structure and Chemical Bonds Section 1: Why do atoms combine? Section 2: How Elements Bond Table of Contents Chapter: Atomic Structure and Chemical Bonds Section 1: Why
More informationChapter 1 Section 1- Pages 4-7: Electrons and Chemical Bonding COMBINING ATOMS THROUGH CHEMICAL BONDING
Study Guide Chapter 1 and 2 Interactions of Matter Chapter 1 Section 1- Pages 4-7: Electrons and Chemical Bonding COMBINING ATOMS THROUGH CHEMICAL BONDING 1. Which of these substances is a combination
More informationChemical Reactions. Unit 4
Chemical Reactions Unit 4 Lesson 1: Chemical Bonds Unit 4: Reactions Compounds Most substances around you are NOT elements. There are around 100 elements, but millions of different substances. Most substances
More informationCh & 12 Test. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.
Name: Class: Date: Ch 10 11 & 12 Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. How many valence electrons does Argon, a noble gas, have? a. 1 b.
More information4 Energy and Rates of Chemical Reactions
CHAPTER 14 4 and Rates of Chemical Reactions SECTION Chemical Reactions BEFORE YOU READ After you read this section, you should be able to answer these questions: How is energy involved in a chemical reaction?
More information10/6/ th Grade Ecology and the Environment. Chapter 2: Ecosystems and Biomes
7 th Grade Ecology and the Environment Chapter 2: Ecosystems and Biomes Lesson 1 (Energy Flow in Ecosystems) Each organism in an ecosystem fills an energy role. Producer an organism that can make its own
More informationChapter: Atomic Structure and Chemical Bonds
Table of Contents Chapter: Atomic Structure and Chemical Bonds Section 1: Why do atoms combine? Section 2: How Elements Bond Table of Contents Chapter: Atomic Structure and Chemical Bonds Section 1: Why
More informationChemical Reactions. Chapter Test A. Multiple Choice. 1 Pearson Education, Inc., or its affiliates. All rights reserved.
Name Date Class Chemical Reactions Chapter Test A Multiple Choice Write the letter of the correct answer on the line at the left. 1. Chemistry is a. a characteristic of a substance that can be observed
More informationPhysical Science SPS 6 Review Activity
Properties of Acids & Bases: in this table, list everything that you know about acids, bases, & their properties. List specific things and general things. (how do you identify them? What makes them, them?
More informationMs. Levasseur Biology
Ms. Levasseur Biology Atom: the actual basic unit - composed of protons, neutrons, and electrons Element: a substance that cannot be broken down into simpler substances pure Molecule: a substance made
More informationEcology - the study of how living things interact with each other and their environment
Ecology Ecology - the study of how living things interact with each other and their environment Biotic Factors - the living parts of a habitat Abiotic Factors - the non-living parts of a habitat examples:
More information1 Name. ECOSYSTEMS: THE ROLE OF ABIOTIC FACTORS from the series Biology: The Science of Life Pre-Test
1 Pre-Test Directions: Answer each of the following either true or false: 1. In ecosystems, non-living (abiotic) factors usually have insignificant effects on living things. True False 2. Carbon dioxide
More informationCHEMISTRY. Everything is made of matter. Matter is composed of tiny particles called atoms.
CHEMISTRY Everything is made of matter. Matter is composed of tiny particles called atoms. Everything in the world (every substance) is composed of one or more elements. Elements are pure substances, which
More informationCHEMISTRY NOTES. Elements and the periodic table. name of the element. A. Element 1. Definition a substance made of one kind of atom
CHEMISTRY NOTES Elements and the periodic table A. Element 1. Definition a substance made of one kind of atom a. Atom smallest particle of an element Nucleus Protons = Positive charge Neutrons = No charge
More information1 The Cycles of Matter
CHAPTER 19 1 The Cycles of Matter SECTION Cycles in Nature BEFORE YOU READ After you read this section, you should be able to answer these questions: Why does matter need to be recycled? How are water,
More information2 Ionic and Covalent Bonding
CHAPTER 6 2 Ionic and Covalent Bonding SECTION The Structure of Matter KEY IDEAS As you read this section, keep these questions in mind: Why do atoms form bonds? How do ionic bonds and covalent bonds differ?
More informationTAKE A LOOK 3. Complete Carbon dioxide in the air is used for. The Cycles of Matter continued
CHAPTER 2 1 The Cycles of Matter SECTION Cycles in Nature BEFORE YOU READ After you read this section, you should be able to answer these questions: Why does matter need to be recycled? How are water,
More informationCh. 8 - Solutions, Acids & Bases. Solution = a homogeneous mixture of 2 or more substances
Ch. 8 - Solutions, Acids & Bases Solution = a homogeneous mixture of 2 or more substances Solute substance whose particles are dissolved in a solution Solvent substance in which the solute dissolves in
More informationChoose the answer that best completes each statement.
Name Date CHAPTER TEST: CHEMICAL BONDS AND EQUATIONS Multiple Choice Choose the answer that best completes each statement. 1. Magnesium bromide is an ionic compound with the chemical formula MgBr2. What
More informationCHAPTER 3 ATOMS ATOMS MATTER 10/17/2016. Matter- Anything that takes up space (volume) and has mass. Atom- basic unit of matter.
CHAPTER 3 MATTER Matter- Anything that takes up space (volume) and has mass. Matter Combining Matter States of Matter Atom- basic unit of matter. Subatomic particles- protons, neutrons, and electrons.
More informationChapter Two (Chemistry of Life)
1 Chapter Two (Chemistry of Life) SECTION ONE: THE COMPOSITION OF MATTER MATTER Everything in the universe is made of matter. Matter is anything that occupies space and has mass. Mass is the quantity of
More informationAtoms. - Proton - Neutron. - Electron
Chemistry of Life Atoms - The basic unit of matter is called an Atom - Atoms are incredibly small, but despite its extremely small size, an atom contains subatomic particles that are even smaller - Three
More informationUnit 2 Ecology Study Guide. Niche Autotrophs Heterotrophs Decomposers Demography Dispersion
Vocabulary to know: Ecology Ecosystem Abiotic Factors Biotic Factors Communities Population Unit 2 Ecology Study Guide Niche Autotrophs Heterotrophs Decomposers Demography Dispersion Growth Rate Carrying
More informationSection 3.1 Matter, Elements, & Atoms. 8 th Grade Earth & Space Science - Class Notes
Section 3.1 Matter, Elements, & Atoms 8 th Grade Earth & Space Science - Class Notes What is Matter? Matter is anything that has volume and mass. Everything in the world is made up of matter. On Earth,
More informationChapter 2 Basic Chemistry Outline
Chapter 2 Basic Chemistry Outline 1.0 COMPOSITION OF MATTER 1.1 Atom 1.2 Elements 1.21 Isotopes 1.22 Radioisotopes 1.3 Compounds 1.31 Compounds Formed by Ionic Bonding 1.32 Compounds Formed by Covalent
More informationChemistry Spring Packet Study Guide for Benchmark Exam
Chemistry Spring Packet-1 --- Study Guide for Benchmark Exam 1. Which action will result in a new product with new chemical properties? A. shredding a newspaper B. cutting wood C. breaking a mirror D.
More informationName: 8 th Grade Science STAAR. Review Booklet. My STAAR Goal: The Science Duo
Name: 8 th Grade Science STAAR Review Booklet My STAAR Goal: Table of Contents: Matter and Energy Matter and Energy Vocabulary Page 3-5 Atomic Structure Page 6 Arrangement of the Periodic Table Page 7
More informationSolid- has definite shape and volume and is not compressible. Liquid- (fluid) Flows; it has a fixed volume, and takes the shape of its container.
1 Chemistry 2. Matter is anything that occupies space and has mass. Examples: Air Oxygen Table Chair Water. Find mass using Find the volume of Find the volume of a a balance a liquid and an irregular regular
More informationChemistry Final Study Guide KEY. 3. Define physical changes. A change in any physical property of a substance, not in the substance itself.
Chemistry Final Study Guide KEY Unit 2: Matter & Its Properties, Lesson 1: Physical and Chemical Properties & Changes 1. Define physical properties. The characteristics of a substance that can be observed
More informationScience 9 Midterm Study Guide
Science 9 Midterm Study Guide Name 1. What are the atomic mass units for protons, neutrons, and electrons? 2. What is the atomic number? 3. What is the mass number? 4. What particles are in equal numbers
More informationChapter 15 Study Questions
Chapter 15 Study Questions Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Which of the following describes lipids? a. used to store energy
More information1. Ecosystems are made up of both living and non-living things. True False. 2. Ecosystems can be very large or very small.
1 Pre-Test Directions: Answer each of the following either true or false. 1. Ecosystems are made up of both living and non-living things. True False 2. Ecosystems can be very large or very small. True
More informationChemistry (Outline) Water (Outline) - Polarity of water- hydrogen bonding - Emergent Physical properties of water - Importance for life on Earth
Chemistry (Outline) Chemistry Principles: Atomic structure of elements Elements found in living cells: free elements, and elements in organic molecules Chemical bonds: compound and molecules (Polar and
More informationMolecules, Compounds, and Crystals
Matter: Properties and Change Atoms and Elements 1. Matter is anything that has mass and volume. All substances are made up of different types of matter. 2. Mass is the amount of matter in a substance.
More informationLesson 3.1 Matter and the Environment. Water s abundance is a primary reason there is life on Earth.
Lesson 3.1 Matter and the Environment Water s abundance is a primary reason there is life on Earth. Lesson 3.1 Matter and the Environment Atoms and Elements Atoms are the basic unit of matter. Nucleus:
More information3. Photons of which of the following colors of light possess the greatest amount of energy? A) blue B) green C) yellow D) red
1. Atoms that have eight valence electrons would tend to A) be very reactive. B) be inert. C) form positive ions. D) form negative ions. 3. Photons of which of the following colors of light possess the
More informationSCI-PS SOL Practice Questions - Physical Science 2 (Matter, Energy) Exam not valid for Paper Pencil Test Sessions
SCI-PS SOL Practice Questions - Physical Science 2 (Matter, Energy) Exam not valid for Paper Pencil Test Sessions [Exam ID:2MGZGB 1 Which of these best describes the particle motion taking place as CO
More informationChapter Two Test Chemistry. 1. If an atom contains 11 protons and 12 neutrons, its atomic number is A. 1 C. 12 B. 11 D. 23
Name Chapter Two Test Chemistry 1. If an atom contains 11 protons and 12 neutrons, its atomic number is A. 1 C. 12 B. 11 D. 23 2. The nucleus is made up of all of the following: A. Electrons C. Protons
More informationSection 1: What is a Chemical Reaction
Section 1: What is a Chemical Reaction I can describe and give examples of physical and chemical changes. I can identify reactants and products. I can explain what happens to molecules in chemical reactions
More informationAtoms, Elements, Atoms, Elements, Compounds and Mixtures. Compounds and Mixtures. Atoms and the Periodic Table. Atoms and the.
Atoms, Elements, Compounds and Mixtures Explain how fractional distillation can be used to separate a mixture. 1 Atoms, Elements, Compounds and Mixtures Fractional distillation is used to separate components
More informationChapter 6 Chemistry in Biology
Section 1: Atoms, Elements, and Compounds Section 2: Chemical Reactions Section 3: Water and Solutions Section 4: The Building Blocks of Life Click on a lesson name to select. 6.1 Atoms, Elements, and
More informationLiving Things and the Environment
Unit 21.1 Living Things and the Environment Section 21.1 Organisms obtain food, water, shelter, and other things it needs to live, grow, and reproduce from its environment. An environment that provides
More informationScience 10 Chapter 4 Atomic Theory Explains the Formation of Compounds
What is a pure substance? -contains only 1 kind of matter What are the 2 categories of pure substances? -elements -compounds What is an element? -a pure substance that cannot be broken down into simpler
More informationChemistry Matter Unit. What is matter? What is chemistry? What is the organization of matter? What is the nature of matter?
Chemistry Matter Unit What is matter? What is chemistry? What is the organization of matter? What is the nature of matter? What is NOT Matter? Energy! Types of Energies Mechanical Chemical Heat Atomic
More informationChapter 2: Chemical Basis of Life
Chapter 2: Chemical Basis of Life Honors Biology 2011 1 Chemistry of Life Living organisms are composed of about 25 chemical elements Matter - anything that occupies space and has mass Matter is composed
More informationThe Water Molecule. Like all molecules, a water molecule is neutral. Water is polar. Why are water molecules polar?
Properties of Water The Water Molecule Like all molecules, a water molecule is neutral. Water is polar Why are water molecules polar? Polarity oxygen atom 8 protons in its nucleus has a much stronger attraction
More informationAtoms And The Periodic Table
Tick one box to choose the correct answer 1) What elements are found in the compound water (H 2 O)? Hydrogen and oxygen Helium and oxygen Hydrogen and nitrogen 2) Which of the following is a metal element?
More informationPhysical Science Study Guide
Name: Class: Date: Physical Science Study Guide Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Mendeleev arranged the known chemical elements in a table
More informationFigure 2 If birds eat insects that feed on corn, which pyramid level in the diagram would birds occupy? 1. A 3. C 2. B 4. D
Ecology Week 1 Assignment. This week's assignment will count as a quiz grade. Please speak to Mr. Roes about any questions that you would like help on! 1. The fact that no organism exists as an entity
More informationChapter 8 notes. 8.1 Matter. 8.1 objectives. Earth Chemistry
Chapter 8 notes Earth Chemistry 8.1 Matter 8.1 objectives Compare chemical properties and physical properties of matter. Describe the basic structure of an atom. Compare atomic number, mass number, and
More informationCP Physical Science Chemistry: Bell Work, Notes, Study Guides
CP Physical Science Chemistry: Bell Work, Notes, Study Guides Mr. Banker Fall 2014 ian_banker@charleston.k12.sc.us http://wandohigh.ccsdschools.com/directory/science/banker_ian/physical_science/ Remind101.com
More information4. Alison decomposes a sample of matter into different substances. The original substance was not a/an:
Name: Practice Problems 1. Monica makes the following observations on an object: I- Volume: 12.0 ml II- Length: 12.0 cm III- Mass: 1.25 g IV- Melting point: 450 o C Which observation is a characteristic
More information2-1 Atoms consist of protons, neutrons, and electrons
2-1 Atoms consist of protons, neutrons, and electrons The smallest particle of matter that still retains the properties of an element is an atom Subatomic Particles An atom is made up of protons and neutrons
More informationName: Period: ELEMENTS AND ATOMS Chapter 1. The Building Blocks of matter pages L6-11
Name: Period: ELEMENTS AND ATOMS Chapter 1 The Building Blocks of matter pages L6-11 1. The simplest pure substances are called. 2. Why are elements often called the building blocks of matter? 3. Is the
More informationChapter 6: Chemical Bonds
Chapter 6: Chemical Bonds Section 6.1: Ionic Bonding I. Stable Electron Configurations Group # II. III. Ionic Bonds Group # A. Transfer of Electrons Group # B. Formation of Ions Group # C. Formation of
More informationChapter 9 Practice Test
Chapter 9 Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1) Which of the following describes a chemical reaction? a) A gas is given off when
More informationName Sec: 11am 1:30pm PH-218 Exam II Sample Exam. PART I: Short Answer. 1. (6 pts) Complete the following statements or answer the question.
PART I: Short Answer Name Sec: 11am 1:30pm PH-218 Exam II Sample Exam 1. (6 pts) Complete the following statements or answer the question. a. In the formula CaH 2 (NH 3 ) 2 (SO 4 ) 2 there are total atoms.
More information2015 Ch 2 Chem notes.notebook. September 25, Color Your Periodic Table
Color Your Periodic Table Alkali Metals Yellow Alkaline Earth Brown Transition Orange Lanthanide/Actinide Green Other Metals/Metalloids Purple Non metals Blue Noble Gases Red Chapter 2 CHEMISTRY OF LIFE
More informationScience 1206 Chemistry Unit Sample Final Exam Key
Science 1206 Chemistry Unit Sample Final Exam Key 1. A gas is proved to be carbon dioxide if: (a) a glowing splint bursts into flames in the gas. (b) a wet piece of red litmus goes blue in the gas. (c)
More informationQ1. As the world population increases there is a greater demand for fertilisers.
Q1. As the world population increases there is a greater demand for fertilisers. (a) Explain what fertilisers are used for............. (b) The amount of nitrogen in a fertiliser is important. How many
More informationKey Concepts 1. What different levels of organization do ecologists study? 2. What methods are used to study ecology?
Chapter 3 The Biosphere 3 1 What is Ecology? 1. What different levels of organization do ecologists study? 2. What methods are used to study ecology? Ecology study of interactions between organisms and
More informationCalifornia Standards Test (CST) Practice
California Standards Test (CST) Practice 1. Which element has properties most like those of magnesium? (a) calcium (b) potassium (c) cesium (d) sodium 5. Which pair of atoms will share electrons when a
More informationCrash Course on Nucleus
II. Chemistry Crash Course on Nucleus A. Atomic Theory 1. Atom a. Most basic unit of matter - building block b. Can t be broken down further and still retain its properties c. Identified by the number
More informationTopics to Expect: Periodic Table: s, p, d, f blocks Metal, Metalloid, Non metal, etc. Periodic Trends, Family names Electron Configuration: Orbitals a
Chemistry Final Exam Review and Practice Chapters Covered ESSENTIALLY CUMMULATIVE List of Chapters: Ch: 6, 7, 8, 9, 10, 13, 14, 15, 16, 19, 20 Topics to Expect: Periodic Table: s, p, d, f blocks Metal,
More informationA covalent bond is a shared pair of electrons between atoms of two non-metal elements.
Bonding, Structure and properties Atoms can be held together by chemical bonds. When atoms form bonds, they can achieve a stable electron arrangement (full outer electron shell). To achieve a stable electron
More informationIndicate the answer choice that best completes the statement or answers the question.
Indicate the answer choice that best completes the statement or answers the question. 1. Which of the following bonds is polar? a. F F b. O H c. O O d. H H 2. In the compound, H 2 O, the electrons in the
More informationSeptember 21, Ch 2 Notes. Sep 18 1:29 PM. Sep 18 12:55 PM. Color Your Periodic Table
Color Your Periodic Table Alkali Metals Yellow Alkaline Earth Brown Transition Orange Lanthanide/Actinide Green Other Metals/Metalloids Purple Non metals Blue Noble Gases Red Sep 18 1:28 PM Sep 21 7:43
More informationChemistry (Refresher)
Chemistry (Refresher) Chemistry Principles: Atomic structure of elements Elements found in living cells: free elements, and elements in organic molecules Chemical bonds: ionic, covalent polar, covalent
More informationUnit 1: Chemistry in Action
Unit 1: Chemistry in Action Intermediate 1 Chemistry Learning Outcomes Substances Elements Everything in the world is made from about 100 elements. Each element has a name and a symbol. Chemists have arranged
More informationMATTER & ENERGY STUDY GUIDE. 9 Weeks Test Date: Parent Signature (BONUS!):
Name: Pd: MATTER & ENERGY STUDY GUIDE 9 Weeks Test Date: Parent Signature (BONUS!): 6.5A MATTER Matter is anything that has mass and takes up space. Give EXAMPLES and NON-EXAMPLES of matter. (42) EXAMPLES
More informationYour test is on and covers the following topics:
Name: Your test is on and covers the following topics: Material World Characteristic Properties States of Matter & Phase Changes Mass & Volume Acids and Bases Chemical and Physical Changes Pure Substances
More informationBiology/Honors Biology Benchmark #2 Review Guide Fall 2016
Biology/Honors Biology Benchmark #2 Review Guide Fall 2016 Name CH 1: Science of Biology 1. Fill in the following table with parts of the scientific process. 2. What is the difference between an observation
More informationChemistry Final Exam Sample Items
Chemistry Final Exam Sample Items 1. Which best describes the current atomic theory? a. Atoms consist of electrons circling in definite orbits around a positive nucleus. b. Atoms are composed of electrons
More information8 th Grade Science. Directed Reading Packet. Chemistry. Name: Teacher: Period:
8 th Grade Science Directed Reading Packet Chemistry Name: Teacher: Period: Chapter 1, Section 1: Inside the Atom Introduction 1. Atoms are the particles of an element that still have the element s. 2.
More informationChemistry Part 2: We re Not Done Yet!
Chemistry Part 2: We re Not Done Yet! WOW! Learning about atoms sure was fun! Let s continue our fascinating exploration of chemicals. What is a Chemical? Chemical: A substance having a constant composition
More informationChapter Chemical Elements Matter solid, liquid, and gas elements atoms. atomic symbol protons, neutrons, electrons. atomic mass atomic number
Chapter 2 2.1 Chemical Elements 1. Matter is defined as anything that takes up space and has mass. 2. Matter exists in three states: solid, liquid, and gas. A. Elements 1. All matter (both living and non-living)
More informationStructure and Bonding
Structure and Bonding Foundation revision questions Name: Class: Date: Time: 66 minutes Marks: 65 marks Comments: Page of 25 The diagram represents a carbon atom. (a) Use words from the box to answer the
More informationCompound. Math Focus. What are compounds? What is a chemical reaction? How are compounds used in everyday life?
CHAPTER 3 2 Compounds SECTION Elements, Compounds, and Mixtures BEFORE YOU READ After you read this section, you should be able to answer these questions: What are compounds? What is a chemical reaction?
More information2-1 The Nature of Matter. Atoms
2-1 The Nature of Matter Atoms What do we call the smallest unit of matter? Who named it? What does it mean in Greek? How many atoms would make a row 1cm long? What does this indicate? Atoms are made up
More information2. Which is NOT considered matter? (A) air (B) lead (C) sugar (D) sunlight. 4. Which of the following is a metalloid? (A) Se (B) Sr (C) Si (D) Sn
Midterm Review Packet ANSWER KEY 01/26/2014 Multiple Choice Question 1. Which part of an atom is positively charged? (A) proton (B) neutron (C) electron (D) shells 2. Which is NOT considered matter? (A)
More informationBASIC CHEMISTRY Organisms and all other things in the universe consist of matter Matter: Elements and Compounds Matter is
Chapter 2 Lecture Notes Essential Chemistry for Biology Biol 100 K. Marr 2009 Topics Discussed in these notes Matter, Elements and Compounds Periodic Table of the Elements: Metals vs. Nonmetals Atomic
More informationChemistry Final Exam Study Guide Fall Semester
Chemistry Final Exam Study Guide Fall Semester Name: Date: Class: Basics of Science (Ch 1) 1. Briefly describe what occurs in each step of the scientific method: 1. Problem/Question 2. Research 3. Hypothesis
More informationCHAPTER 5 WARM UPS. Mrs. Hilliard
CHAPTER 5 WARM UPS Mrs. Hilliard CHAPTER 5 VOCABULARY 1. Photosynthesis 2. Cellular respiration 3. Producer 4. Consumer 5. Decomposer 6. Food chain 7. Food web 8. Trophic level 9. Carbon cycle 10. Nitrogen-fixing
More informationBIOCHEMISTRY 10/9/17 CHEMISTRY OF LIFE. Elements: simplest form of a substance - cannot be broken down any further without changing what it is
BIOCHEMISTRY CHEMISTRY OF LIFE Elements: simplest form of a substance - cannot be broken down any further without changing what it is THE ATOM Just like cells are the basic unit of life, the ATOM is the
More informationThe Chemical Basis of Animal Life. Chapter 2
The Chemical Basis of Animal Life Chapter 2 Chemistry The branch of science dealing with composition of substances and reactions among these substances. A knowledge of chemistry is essential for understanding
More informationDO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO BEGIN SCIENCE 1206 MIDTERM EXAMINATION
DO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO BEGIN SCIENCE 1206 MIDTERM EXAMINATION NAME: PART 1 - MULTIPLE CHOICE PART 2 - EXTENDED RESPONSE MARK Part A: Multiple Choice - Place the letter corresponding
More informationFour elements make up about 90% of the mass of organisms O, C, H, and N
Chapter 2 Chemistry of Life 2-1 Composition of Matter -Mass- quantity of matter- use a balance to measure mass -Weight- pull of gravity on an object- use a scale Elements -cannot be broken down into simpler
More informationNational 4 Unit Rates of Reaction 2. Atomic Structure 3. Acids & Bases 4. Energy Changes. Homework
National 4 Unit 1 1. Rates of Reaction 2. Atomic Structure 3. Acids & Bases 4. Energy Changes Homework 1 2 Homework 1 - Rates of Reaction Decide which of the following are True or False: 1. Increasing
More informationStudent Name: Teacher: Date: District: NCGaston. Assessment: 9_12 Science Chemistry Exam 3. Description: Chemistry Mock Final Exam
Student Name: Teacher: Date: District: NCGaston Assessment: 9_12 Science Chemistry Exam 3 Description: Chemistry Mock Final Exam 2014-15 Form: 301 1. Shown below is a model of the structure of atom X.
More informationThe Periodic Table. run vertically on the periodic table (up and down).
Lesson Objective: The Periodic Table Science 8.5B Interpret the arrangement of the Periodic Table, including groups and periods, to explain how properties are used to classify elements 8.2E Analyze data
More informationMatter and Change. Chapter 1
Matter and Change Chapter 1 What is Chemistry? Chemistry is the study of the composition, structure, and properties of matter and the changes it undergoes. What does Chemistry do? Chemistry deals with
More informationSection 1: Elements Pages 56-59
Study Guide Chapter 3 Elements, Compounds, and Mixtures Section 1: Elements Pages 56-59 1. Which of the following processes is NOT a physical or chemical change? a. crushing b. weighing c. melting d. passing
More informationLesson 1: Stability and Energy in Bonding Introduction
Lesson 1: Stability and Energy in Bonding Introduction Chemical bonding is the simultaneous attraction of two positive nuclei to negative electrons. Chemical bonding is said to be the glue that holds particles
More informationHOMEWORK PACKET UNIT 2A. Part I: Introduction to Ecology
CP Biology Name Date Period HOMEWORK PACKET UNIT 2A Part I: Introduction to Ecology Name Class Date 3.1 What Is Ecology? Studying Our Living Planet 1. What is ecology? 2. What does the biosphere contain?
More informationsubstance, an element cannot be broken down any further. Each element has a different number of protons and unique set of properties.
Element - The purest form of a substance, an element cannot be broken down any further. Each element has a different number of protons and unique set of properties. Physical Properties - Descriptions unique
More informationChemistry Vocabulary. These vocabulary words appear on the Chemistry CBA in addition to being tested on the Chemistry Vocabulary Test.
Chemistry Vocabulary These vocabulary words appear on the Chemistry CBA in addition to being tested on the Chemistry Vocabulary Test. atom the smallest unit of an element that still represents that element.
More informationChemistry. Essential Standards Chemistry
Essential Standards Chemistry Chemistry Matter: Properties & Change 1.1 Students will analyze the structure of atoms and ions. 1.2 Student will understand the bonding that occurs in simple compounds in
More information