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Easy PEAsy Seed Germination
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In this activity, learners determine the necessary conditions for pea seed germination.
Photosynthesis and Transpiration
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In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.
Seeing in the Dark
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.