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In this activity, learners will discover how to make butter from scratch. One optional tips includes adding marbles to speed up the process.

In this kinesthetic activity, learners move pom-pom "ions" across a membrane to simulate how an action potential is propagated along an axon.

This is a classic exercise for visualizing the scale of the Solar System.

In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.