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In this activity learners will plant grass seed and track the growth of the grass over time.

In this "Sid the Science Kid" activity from Episode 107: My Shrinking Shoes, learners observe how plants change as they grow.

In this activity, learners use simple items to construct a device for indicating air pressure changes.

In this activity, learners will train to improve lung, heart, and other muscle endurance as they walk a progressive, measured distance.

In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate.

In this activity, learners use simple items to construct a device for indicating air pressure changes.