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Big Changes in the Big Forest

From Crash Course Kids · 2015

Big Changes in the Big Forest
5 min3rd4th5thScience
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Summary

Shifts from cities to forests to examine deforestation and habitat fragmentation — showing how removing large patches of forest ripples through food webs, water cycles, and climate.

Viewer safety

All ages
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Teaching resources

Discussion questions

Discussion

  1. What is deforestation? What are the main causes?
  2. How does losing a forest affect the water cycle in that region?
  3. How does habitat fragmentation threaten species that are not directly cut down?
  4. What are the trade-offs between clearing forests for farmland and keeping them intact?

Quick work-a-long

Vocabulary: deforestation, habitat fragmentation, ecosystem, biodiversity, carbon, trade-off.

Try it: Research one deforestation hotspot (Amazon, Borneo, Congo Basin). Write three sentences: what is being cut, who is cutting it and why, and one known consequence for the ecosystem or climate.