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In this activity, learners discover that nanoparticles of gold can appear red, orange or even blue. They learn that a material can act differently when it’s nanometer-sized.

In this activity, learners use a flexible magnet as a model for a scanning probe microscope (SPM). They learn that SPMs are an example of a special tool that scientists use to work on the nanoscale.

In this water activity, learners discover ways to move water across the water table.

This event guide features three related explorations in which learners investigate the following science concepts: how you design and build a structure helps determine how strong it will be; different

This guide features three related ramp explorations in which learners investigate the following science concepts: when placed on a ramp, some objects roll, others slide, and others stay put; the shape

In this activity, learners use sieves with different-sized holes to sort balls by size.

In this activity, learners examine nanoscale structures of common things.

In this activity, learners make self-assembled polymer spheres.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.