Science

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. What lets us see; the opposite of dark (5)
  2. 5. The hard structure that provides a frame for the body of an animal (8)
  3. 7. The smallest component of an element having the chemical properties of the element (plural) (5)
  4. 8. Rigid connective tissue that makes up the skeleton of vertebrates (plural) (5)

Down

  1. 2. Hard structures in the mouth used for biting and chewing. (5)
  2. 3. Solid homogeneous inorganic substances occurring in nature having a definite chemical composition (plural) (8)
  3. 4. Living things like trees and flowers that grow in soil (6)
  4. 5. Shade within clear boundaries (6)
  5. 6. Hard piece of stone (4)