Science Grade 7 Vocabulary

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