Science Grade 7 Vocabulary

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Across
  1. 2. incapable of dissolving
  2. 7. any process that involves a chemical reaction
  3. 9. the result of an action or process
  4. 10. a group of atoms bonded together
  5. 11. resistance of a fluid (liquid or gas) to a change in shape, or movement of neighboring portions relative to one another
  6. 13. a substance that takes part in and changes in a chemical reaction
  7. 17. capable of dissolving
  8. 19. a substance made by mixing other substances
  9. 20. a colorless, odorless, tasteless gas that is the most plentiful element in Earth's atmosphere and is a constituent of all living matter.
  10. 21. a smell
  11. 22. to break into smaller components
  12. 23. a colorless, odorless, and highly flammable greenhouse gas composed of carbon and hydrogen
Down
  1. 1. the process of a substance transforming into a different substance
  2. 3. a colorless, odorless, tasteless, flammable, gaseous substance that is the simplest member of the family of chemical elements
  3. 4. an attribute or characteristic of something
  4. 5. a distinct form in which matter can exist
  5. 6. when matter changes to another state
  6. 8. the amount of a substance that can be dissolved at a specified temperature
  7. 12. a matter or material
  8. 14. a colorless, odorless gas produced by burning carbon and organic compounds and by respiration.
  9. 15. the ability to ignite easily
  10. 16. the mass of a substance per unit volume
  11. 18. a chemical element found in the air as a colorless tasteless gas that is necessary for life.
  12. 24. a particle that makes up all matter