climate change
Texto do Storyboard
- good morning
- good morning Miss K.
- good morning
- good morning class. today were going learn about climate change.
- good morning
- The world has the perfect temperature to keep all living things alive and happy. This temperature depends on a balance.The sun's heat goes to earth to make it warm.
- has climate changes before?
- The sun's heat bounces back to space to make the earth cool. when this balance is lost, the climate changes.
- that's a really good question. The earth's climate has changed many times before. This is called " natural climate change."
- very nice
- cool
- cool
- it's caused by volcanic eruptions, changes in the sun's energy, and changes in the earth's orbit. greenhouse gasses also make the earth warmer they trap heat from the sun
- nice
- greenhouse gasses is like a blanket covering the earth. it started in the 1700's. when human started to built more things
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