science choice board

123456
Across
  1. 3. water that falls from clouds to the ground
  2. 5. when gas changes into a liquid
  3. 6. exchange of carbon dioxide and oxygen
Down
  1. 1. cycle circulation of nitrogen from air to soil
  2. 2. movement of water between Earths surface and air
  3. 4. water that flows over Earths surfaces from a storm