Scientific Crossword

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