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Salt, Soil and Seeds
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Discover how the salt in soil affects plant growth with a few seeds, some cotton, and salt. In this hands-on activity, you will plant seeds in 2 different kinds of soil, containing more or less salt.
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Planting with Precision
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In this activity, learners explore how engineers work to solve the challenges of a society, such as efficient planting and harvesting.
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Water Quality and pH Levels in Aquatic Ecosystems
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In this fun and in depth hands-on experiment, learners test various liquid samples (distilled water, lemon juice, vinegar, and baking soda mixed with water) to determine their pH levels and identify e
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Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.
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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.