Search Results

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.

In this activity about sea otters, learners make their own "otter whiskers" and use them to find objects underwater.

This is an online simulation of how sound changes due to environment. How does place--like a cave, a pier, or a forest--affect certain sounds?

This game plays a dozen different sounds, altered to simulate what they would sound like if you had hearing loss.