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Activity
It's About Time

Energy Flow in Ecosystems

For Teachers 7th - 12th
Emerging biochemists more fully understand the flow of energy in ecosystems as they explore the laws of thermodynamics and relate them to energy transfer in food chains. They also investigate heat loss from the human body and how...
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Handout
Grammar Tips

Learn the Difference Between "Imply" and "Infer"

For Students 9th - 10th Standards
This article explains the difference between these commonly confused words.