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Learners will compare the growth rate and appearance of crystals forming on small rocks to those growing on miscellaneous objects. Learners will also investigate how temperature (warm vs.

In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

In this activity, learners use mirrors to write secret messages to a friend. Use this activity to explore letters, optics, and/or symmetry.

In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

In this activity, learners explore how mirrors reflect light and change the way we see things.

In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.