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This is a quick activity (located on page 2 of the PDF under Nasturtium Leaves Activity) about surface tension.

In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.

In this activity (located on pages 9-14 of PDF), learners visit a cemetery to examine the distinguishing characteristics of rock weathering.

In this activity about the relationship between food and energy (page 8 of PDF), learners estimate average daily baseline energy (Calorie) needs and energy needs for different levels of activity.

This quiz lets you estimate your annual radiation exposure.

In this activity (on page 2 of the PDF), learners (with adult help and supervision) investigate how heat affects polystyrene plastic.

In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.

In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

This online interactive has three activities in the NanoLab (press the upper right button): Build, Zoom, and Transform.

This is a quick game about self-assembly (page 2 of PDF under Self-Assembly Activity). Like the molecules of DNA, learners will self-assemble into a pattern by following a simple set of rules.