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In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.

In this activity, learners explore how nanotechnology is being used to create new types of protective fabrics.

In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.

This activity uses LEGO® bricks to represent atoms bonding into molecules and crystals. The lesson plan is for a 2.5 hour workshop (or four 45-minute classes).

This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.