Across
- 4. a measure of the average kinetic energy of the atoms in a system, used to express thermal energy in degrees
- 6. matter with a fixed volume and shape
- 7. a state of matter with a defined volume but no defined shape and whose molecules roll past each other
- 9. the process by which a gas changes into a liquid a state of matter with a defined volume but no defined shape and whose molecules roll past each other
- 12. a compound made of hydrogen and oxygen
- 13. the process in which matter changes from a liquid to a gas
- 14. the ability to do work or cause change; the ability to move an object some distance
Down
- 1. the gaseous form of water; produced when water evaporates
- 2. water that is released from clouds in the sky; includes rain, snow, sleet, hail, and freezing rain
- 3. a force that exists between any two objects that have mass
- 5. the energy an object has due to its motion
- 8. a state of matter without any defined volume or shape in which atoms or molecules move about freely
- 10. energy in the form of heat
- 11. the layers of gases that surround a planet
