1. Unit 4 ReviewMATTER

2. Which of the following are compounds?

3. Mass divided by volume measures a. the weight of an object. b. the viscosity of a substance. c. the buoyancy of an object. d. the density of an object.

4. If an object has a density of 3.2 g/cm3 it sink or float on water?

5. Liquid water, ice and water vapor a. are different states of matter. b. are made up of the same molecules. c. are made of the same atoms. d. All of the above.

6. The freezing point of a substance is equal to its melting point.

7. Freezing, melting, boiling are physical properties. chemical properties.

8. How is dry ice different from the ice you put in your drinks? Sublimation

9. Which state of matter is depicted below?

11. Element Mixture Compound Kool-aid in water Copper chloride Oxygen

12. CO (carbon monoxide) C (carbon) O (oxygen) gas solid

13. What will happen to these balloons on a hot day?