1. Name the phase change that occurs when a solid changes into a gas, without becoming a liquid. 2. True or False – A liquid has definite shape and definite volume.

3. True or False – A gas has definite shape, but no definite volume.

4. A is similar to a gas, but conducts electricity. 5. Boyle’s Law shows a relationship between the and volume of a gas.

6. Charles’ Law shows a relationship between the and volume of a gas.

7. When putting a balloon in a warm oven, the temperature goes from 70oto 140o. Will the 200 ml balloon shrink or expand?