Review of Chapter 2
4. Anything that has ____________ and
___________ is called matter.
True / False
5. ________ An objects volume is the
amou...
9. The volume of a solid object is expressed in
________ units. One mm is equal to________.
10. What three dimensions do y...
12. List the objects from least to greatest
mass:
___________________________________
13. The mass of an objects should be...
15. As two objects get _____________, the
force of gravity between them increases.
16. Weight is a measure of the gravitat...
19. The unit for ________ is the Kilogram.
The unit for __________ is the Newton.
20. How do mass and inertia make it easi...
Section 2
1. In a game of 20 questions, the most
helpful questions you can ask are about
the _________ of an object.
2. Wh...
Answer Column A Column B
3. Sand does not
dissolve in water
A. State
4. Gold can be made
into gold foil.
B. Thermal
Conduc...
9. In the formulas D means __________, V
stands for _________ and M stands for
________.
10. What are two reasons why dens...
13. Is the 40 mL of oil denser than the 25 of
vinegar?_________
14. Density is dependant on the amount of
the substance yo...
16. Why isn’t there rust on the painted
sections of the car?
__________________
___________________________________
17. Ch...
19. What is a physical change? __________
___________________________________
20. If you make a physical change to a
subst...
23. How do you know that baking a cake
involves a chemical change?
___________________________________
24. In examples of ...
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Review of chapter 2

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Miss Cocozza, Arcola, Chapter 2 review

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Review of chapter 2

  1. 1. Review of Chapter 2
  2. 2. 4. Anything that has ____________ and ___________ is called matter. True / False 5. ________ An objects volume is the amount of space the object takes up. 6. ________ Things with volume can’t share the same space at the same time 7. ________ When measuring water in a G.C. you should look at the bottom of the Meniscus. 8. ________ a liquids volume is usually measured in grams or milligrams. Volume Mass True True True False
  3. 3. 9. The volume of a solid object is expressed in ________ units. One mm is equal to________. 10. What three dimensions do you need to find the volume of a rectangular solid object? ___________________ 11. How do you measure the volume of a gas? ____________________________________ cubic 1 cm3 Height, width, length Measure the shape of the container the gas is in.
  4. 4. 12. List the objects from least to greatest mass: ___________________________________ 13. The mass of an objects should be constant, yet the mass of a puppy will change over time explain? _________________________ _____________________________________ 14. Why does all matter experience gravity? A. All matter has volume. B. All matter has mass. Hamster, elephant, skyscraper, the moon The puppy’s mass is not constant b/c matter is being added to the puppy as it grows.
  5. 5. 15. As two objects get _____________, the force of gravity between them increases. 16. Weight is a measure of the gravitational force exerted on an object. True… False… 17. A brick weighs less in space than on earth. Why? _______________________________ _____________________________________ 18. Why do people confuse the terms weight and mass? A. They appear constant on earth B. People use the words interchangeably. C. Mass is the same as weight. closer together b/c the gravitational pull is less in space than on the surface of the earth.
  6. 6. 19. The unit for ________ is the Kilogram. The unit for __________ is the Newton. 20. How do mass and inertia make it easier to pick up an empty juice bottle than a full one? _____________________________ ___________________________________ ___________________________________ See review on p. 42 mass weight Full bottle has more mass than the empty one. More mass = more inertia. Full one is harder to put into and out of motion.
  7. 7. Section 2 1. In a game of 20 questions, the most helpful questions you can ask are about the _________ of an object. 2. Which physical properties is the person on page 43 asking about? ___________ __________________________________ properties Physical properties of color, odor, and mass/volume.
  8. 8. Answer Column A Column B 3. Sand does not dissolve in water A. State 4. Gold can be made into gold foil. B. Thermal Conductivity 5. Ice is the solid form of water. C. Solubility 6. Copper can be drawn into wires. D. Density 7. A foam cup protects you from being burnt E. Ductility 8. Ice cubes float in a glass of water. F. Maleability C F A E B D
  9. 9. 9. In the formulas D means __________, V stands for _________ and M stands for ________. 10. What are two reasons why density is a useful property for identifying a substance? ____________________________________ ____________________________________ ____________________________________ 11. density =. . . 12. What will happen to the jar? _____________ _______________________________________ ____________________________________ Density Mass Volume Density is a useful property because it is always the same at a given temperature and pressure. Density is also different for most substances. gold, mercury, water, oxygen If shaken the objects will mix temporarily and then after time They will separate.
  10. 10. 13. Is the 40 mL of oil denser than the 25 of vinegar?_________ 14. Density is dependant on the amount of the substance you have. True. . . False . . . 15. Which of the following are true about chemical properties? A. They indicate a substances ability to change identity. B. They indicate one substances ability to react with another C. They describe matter. No.
  11. 11. 16. Why isn’t there rust on the painted sections of the car? __________________ ___________________________________ 17. Characteristic properties help scientists to distinguish one substance from another? True. . . False. . . 18. Which of the following are physical properties only? A. flammable, dense, malleable B. malleable, reactive, dense C. Powdery, dense, red b/c the paint provides a barrier between the steel and oxygen preventing rust
  12. 12. 19. What is a physical change? __________ ___________________________________ 20. If you make a physical change to a substance, the identity of the substance changes. True. . . False. . . 21. Many physical changes are _______ to undo. 22. A chemical __________ describes a substances ability to change. A chemical ________ occurs when a substance turns into another substance. Change that affects 1 or more of the physical properties of an object. easy property change
  13. 13. 23. How do you know that baking a cake involves a chemical change? ___________________________________ 24. In examples of chemical changes, the odor of sour milk indicates a chemical change has taken place. True. . . False. . . 25. Some chemical changes can be reversed by other chemical changes? True. . . False. . . Review p. 51 Cake and batter have totally different properties.

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