1. What is matter made up of?
2. Which state of matter has a definite shape and volume?
3. Which of the following is an example of a gaseous state of matter?
4. What happens to the particles of matter when heated?
5. Which process converts a solid directly into a gas?
6. Which state of matter is the most compressible?
7. What is the term for the change of liquid into vapor?
8. Which of these is not a state of matter?
9. Which state of matter has particles that are far apart and move freely?
10. What is plasma composed of?
11. Which process changes gas into liquid?
12. What is the process of solid changing directly into gas called?
13. Which state of matter has a definite shape and volume?
14. What happens to particles when a solid melts?
15. What is the term for the energy needed to change a solid to a liquid?
16. In which state of matter do particles move freely and fill the container?
17. What type of energy is most responsible for changing the state of matter?
18. What is plasma most commonly found in?
19. Which process converts a liquid to a gas at a temperature below its boiling point?
20. What happens to the particles of a gas when it is compressed?

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