What are the three common states of matter?

2. What are the three common states of matter? • Solid, plasma, liquid • Liquid, Gas, Plasma • Solid, Liquid, Gas • None of the above

3. Which state of matter has a definite volume but not a definite shape? • Solid • Liquid • Gas • Plasma

4. What do liquids and solids have in common? • They both have a definite volume • They both have a definite shape and volume • They both have a definite shape • They both change to gases

5. 99% of all matter in the universe exists as what state? • Solids • Liquids • Gases • Plasma

6. What is the fifth state of matter? • Bose-Einstein condensate (BEC) • Einstein-Bose condensate • plasma • solutions

7. If you move a substance from one container to another and its volume changes, the substance is a • solid • liquid • solution • gas

8. What is the result of a force distributed over an area? • pressure • temperature • volume • mass

9. Collisions of helium atoms with the walls of a closed container cause • gas pressure • condensation • a decrease in volume • an overall loss of energy

10. Which of the following factors affects the pressure of an enclosed gas? • temperature • volume • number of particles • all of the above

11. Which of the following will cause a decrease in gas pressure in a closed container • reducing the volume • adding more gas • lowering the temperature • both a and b

12. The temperature and volume in a closed container of gas remain constant. If the number of particles of gas is increased, the gas pressure will • decrease • increase • remain constant • cause a decrease in the average kinetic energy of the particles

13. The phase change that is the reverse of condensation is • vaporization • freezing • sublimation • melting

14. The phase change that is the reverse of sublimation is • condensation • deposition • melting • vaporization

15. What type of change occurs when water changes from a solid to a liquid? • a phase change • a physical change • an irreversible change • both a and b

16. During which phase does the arrangement of water molecules become more orderly? • freezing • melting • boiling • evaporating

17. The phase change in which a substance changes from a liquid to a gas is • vaporization • deposition • sublimation • condensation

18. The phase change in which a substance changes from a solid to a liquid is • freezing • sublimation • condensation • melting

19. The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first is • deposition • vaporization • melting • sublimation

20. The phase change in which a substance changes from a gas directly to a solid is • 1.condensation • 2. vaporization • 3. deposition • 4. sublimation 20

21. Which of the following phase changes is an endothermic change? • 1. condensation • 2. vaporization • 3. deposition • 4. freezing 21

22. Which of the following phase changes is an exothermic change? • 1. sublimation • 2. deposition • 3. vaporization • 4. melting 22

23. What substance in the figure below is a solid. Explain how you know. 23