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In this activity, learners investigate the formation of craters. Learners will examine how the size, angle and speed of a meteorite's impact affects the properties of craters.

This activity investigates how bark beetles can threaten forests by having learners estimate the number of infected trees from a photo.

This fun and simple hands-on astronomy activity lets learners explore the difference between telescope magnification and resolution.

Students design and build their own parachutes in this hands-on engineering project.

In this activity, learners investigate soil erosion. Learners set up a simulation to observe how water can change the land and move nutrients from one place to another.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

In this fun hands-on activity, learners create a safety device to protect an egg "passenger" in a toy car crash. Learners experiment with different solutions to this very problem.

In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape, learners simulate bl

In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.

In this group activity, learners will explore the characteristics, functions and uniqueness of the mangrove tree.

In this physics activity (page 10 of the PDF), learners will explore how energy from moving water can be used.