Unit 2 Module 2 Lessons 1 & 2

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Across
  1. 7. All of Earth’s liquid or solid water
  2. 8. Water that falls from clouds to the ground in the form of rain, sleet, hail, or snow
  3. 9. The continuous exchange of carbon dioxide and oxygen among living things
  4. 10. The process through which a gas changes into a liquid
  5. 11. Excess water that flows over Earth’s surface from a storm or flood
Down
  1. 1. The continuous circulation of nitrogen from air to soil to organisms and back to air or soil
  2. 2. The gases that surround the Earth
  3. 3. The part of Earth in which living things exist and interact
  4. 4. The layers of solid and molten rock, dirt, and soil on Earth
  5. 5. The continuous movement of water between Earth’s surface and the air
  6. 6. A process through which a liquid changes into a gas