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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 examine a variety of seeds, describe them, and determine how they are dispersed.

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.