TAKS review

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. The dissolved matter in a ___ (6)
  2. 4. The maximum displacement of a periodic wave (9)
  3. 5. A stable particle with positive charge equal to the negative charge of an electron (6)
  4. 8. A chemical substance derivable from a mold or bacterium that can kill microorganisms and cure (plural) (11)
  5. 9. Any of various water-soluble compounds having a sour taste and capable of turning litmus red (4)
  6. 10. The number of inhabitants in a given place (10)
  7. 12. A proposal intended to explain certain facts or observations (10)
  8. 15. An elementary particle with negative charge (8)
  9. 16. How loud something is, or how much space it fills (6)

Down

  1. 1. An elementary particle with 0 charge and mass about equal to a proton (7)
  2. 3. The number of occurrences within a given time period (9)
  3. 6. Bottom part something stands on; a safe spot in baseball (4)
  4. 7. Of or relating to ___ (11)
  5. 11. How much matter something contains (4)
  6. 13. The secretion of an ___ gland that is transmitted by the blood to the tissue on which it has (9)
  7. 14. Two or more atoms bound together as a single unit and forming part of a molecule (5)