Atmosphere

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Across
  1. 4. where we get our oxygen from
  2. 5. plants take this in, we breathe this out
  3. 6. comes from the clouds - rain, sleet, snow, hail
  4. 7. water vapor turns into water, like a cloud
Down
  1. 1. when plants make their food and get energy from the sun
  2. 2. scientist that studies weather and tells the forecast
  3. 3. 21% of our atmosphere as this, we need it to survive
  4. 8. 78% of our atmphosphere has this