chapter 5 review game. 1.why is color a physical property? color can be observed without changing...
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Chapter 5 Review Game
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1. Why is color a physical property?
• Color can be observed without changing the object.
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• 2. What is a physical property that does not change with the amount of matter?
• Melting point, boiling point and density do not change with the amount of matter.
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• 3. What happens during a physical change?
• The appearance of matter change, but the composition does not change.
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• 4. What type of change is a change of state?
• A physical change
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• 5. What happens during a chemical change?
• During a chemical change, substances are change into different substances.
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• 6. What are three clues that a chemical change has occurred?
• Change in color, loss or gain of energy, change of smell and production of a gas or a solid
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• 7. What is an examples of a chemical change?
• Possible answers could include anything burning, rusting or tarnishing. Other answers are also possible given teacher approval.
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• 8. What is the law of conservation of mass?
• The law of conservation of mass states that the total mass of matter is the same before and after a physical or chemical change.
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• 9. What changes when the mass of an object increases while the volume stays the same?
• A. Color• B. Length• C. Density• D. Height
Answer = C, density
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• 10. What word best describes the type of materials that attract iron?
• A. Magnetic• B. Chemical • C. Mass• D. Physical
• Answer = A, magnetic
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• 11. Which is an example of a chemical property?
• A. Color• B. Mass• C. Density• D. Ability to burn
• Answer = D, ability to burn
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• 12. Which is an example of a physical change?
• A. Metal rusting• B. Silver tarnishing• C. Water boiling• D. Paper burning
• Answer = C, water boiling
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• 13. What characteristic best describes what happens during a physical change?
• A. Composition changes• B. Composition stays the same• C. Form stays the same• D. Mass is lost
• Answer = B, composition stays the same
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• 14. Which is an example of a chemical change?
• A. Water freezes• B. Wood is carved• C. Bread is baked• D. Wire is bent
• Answer = C, bread is baked
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• 15. Which is NOT a clue that could indicate a chemical change?
• A. Change in color• B. Change in shape• C. Change in energy• D. Change in odor
• Answer = B, change in shape
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• 16. What property stay the same during physical and chemical changes?
• A. Density• B. Shape• C. Mass• D. Arrangement of particles
• Answer = C, mass
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• 17. What kind of change is taking place when you cut a piece of cake from the whole?
• Answer: physical change
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• 18. What kind of change is taking place when a candle is being burnt?
• Answer = a chemical change
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• What could you do to an object to cause a chemical change?
• A. Cut it• B. Paint it• C. Throw it• D. Burn it
• Answer = d, burn it
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• Which of the following physical properties is size dependent?
• A. Density• B. Mass• C. Volume • D. Weight
• Answer = A, density
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• Which of the following choices describes a physical change?
• A. Pouring an acid onto calcium carbonate• B. Dropping an antacid tablet into water• C. Heating water to its boiling point• D. Pouring vinegar onto baking soda
• Answer = c, heating water to its boiling point
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• Which of the following occurs as you heat a liquid to its boiling point?
• A. Condensation• B. Melting• C. Vaporization• D. Freezing
• Answer = c, vaporization
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• Which of the following is a chemical reaction?
• A. Making ice cubes• B. Toasting bread• C. Slicing a carrot• D. Boiling water
• Answer = b, toasting bread
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• When you making and eat scrambled eggs, many changes occur to the eggs. Which of the following best describes a chemical change?
• A. Crack the eggs• B. Scramble the eggs• C. Cook the eggs• D. Chew the eggs
• Answer = C, Cook the eggs
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• What is the formula that should be used to find density?
• Answer = D = m ÷ v
• (Density = mass divided by volume)
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• Tell me at least 3 physical properties.
• Answer = Physical properties include: state, color, shape, smell, taste and texture, mass, volume, density,
melting point and boiling point.
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• What happens if vaporization or condensation occurs?
• Answer = substance changes from a liquid to a gas
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• What is sublimation?
• Answer = when a solid changes directly to a gas
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• What is deposition?
• Answer = when a gas changes to a solid without ever becoming a liquid
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• Fill in the blanks:
• If I observe the color of a leaf, I am looking at its _____________. When leaves change color in the fall, it is a ________________.
• Answer = physical property; chemical change
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• What does the law of conservation of mass say?
• Answer = the law of conservation of mass says that mass cannot be created or destroyed during physical and chemical changes that take place.