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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.

In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

In this activity, learners will estimate how many seeds are in a fruit or vegetable, then count to find out. The result: mix estimation with healthy eating.

In this activity (on pages 18-28), learners explore how the shape of seeds affects how they are dispersed by wind, birds, ocean currents and other means.