Across
- 5. average kinetic energy of all the particles in a material; measured by a thermometer in degrees
- 6. force exerted on matter through contact with other matter; affects melting & boiling points
- 8. a solid to a gas
- 9. A chemical reaction in which heat is released
- 13. When plasma goes back to the gaseous state
- 14. movement of energy from 1 system to another
Down
- 1. The process by which 1 or more substances change to produce 1 or more new substances
- 2. A chemical reaction in which heat is absorbed
- 3. a single substance, either an element or a compound, with definite composition and properties
- 4. physical & chemical characteristics of matter used to describe or identify a substance
- 7. a gas to a solid
- 10. not chemically reactive; used to describe a sub stance
- 11. Has the most energy and is faster than gas
- 12. the simplest unit of a compound that can exist, formed when 2 or more atoms join together chemically