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The Forest & The Air Cycle

Grades: 5-8
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Trees take in carbon dioxide from the air and release oxygen for humans to breathe. Trees and plants need carbon dioxide to live. They ...

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© 2007

Favorite count: 89
Benchmarks for Science Literacy
NSTA National Science Education Standards

Discover the role that trees and forests play in cleaning our air and understand how carbon dioxide mixes with sunlight and water to produce oxygen as waste.


Source:

The Forest Files

http://www.whro.org/home

Contributor: WHRO-grayscale