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Unit 8: Global change

400 possible mastery points

About this unit

What does it mean for climate change to be human-driven? In this unit, we'll explore the impacts that human activities have had on our atmosphere and oceans. We'll learn about processes such as ozone depletion, the greenhouse effect, and ocean acidification and examine their effects on Earth's biodiversity.

Ozone is like sunscreen for the planet: it keeps us from getting burned.


  • OzoneGet 3 of 4 questions to level up!
The greenhouse effect helps keep Earth warm, but we don't want things too warm.
Level up on the above skills and collect up to 240 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 400 Mastery points!