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Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

This activity introduces learners to the structure and properties of carbon nanotubes.

In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

Using recycled materials, learners will design a transportation vehicle to carry an egg in an egg toss (a rudimentary model of a shock absorbent transport vessel).

In this activity, learners investigate what happens when you build up static electricity on plastic balls.

In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York.

Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.

In this activity, learners create a working model of a nail clipper. This activity helps learners learn the basic principles of simple machines, engineering design and model building.

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

This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.