Science

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. Hard outer layer of the Earth or of bread (5)
  2. 5. Huge body of salt water (5)
  3. 7. Land where ___ or ___ vegetation grows and is the dominant form of plant life (9)
  4. 9. Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots (5)
  5. 11. Study of the natural world through experiments (7)
  6. 13. Living things like trees and flowers that grow in soil (6)
  7. 14. Large area covered with trees (6)
  8. 15. Water falling from clouds (4)

Down

  1. 2. Hard piece of stone (4)
  2. 3. A vast treeless plain in the Arctic regions where the subsoil is permanently frozen (6)
  3. 4. A land mass that projects well above its surroundings (8)
  4. 6. A body of water surrounded by land (4)
  5. 8. Dry land with very little rain (6)
  6. 10. Long stream of water flowing to the sea (5)
  7. 12. A ravine formed by a river in an area with little rainfall (6)