Unit 1 Vocabulary

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Across
  1. 7. he smallest particle of a substance that has all of the physical and chemical properties of that substance
  2. 8. The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances
  3. 9. The atoms moveat a slow speed:water
  4. 10. The amount of matter in an object
  5. 12. A chemical substance that cannot be broken down into other substances by chemical reactions
  6. 13. A map or table with every element know to exist
  7. 16. A characteristic of a particular substance that can be observed in a chemical reaction
  8. 17. How much something weighs
  9. 20. Any material that possesses physical properties
Down
  1. 1. Water vapor being cooled into water: dew
  2. 2. mass of a unit volume of a material substance
  3. 3. A characteristic of a substance that can be observed or measured without changing the identity of the substance
  4. 4. An average of thermal energy
  5. 5. Continuous physical force exerted on or against an object by something in contact with it.
  6. 6. 1000 grams
  7. 11. Particles are packed very tightly, defined mass and volume
  8. 14. The space an object takes up
  9. 15. Everything around us is made up of this
  10. 18. The particles in this movie very quickly and unpredictably
  11. 19. Everything around us is made of this