Use this interactive, animated lab to explore conservation of mechanical energy.

Ten interactive activities that allow you to use the computer to create and manipulate works of art.

Resources to accompany a 16-episode science series created to help young minds better understand how plants and animals interact with their environment. A fantastic resource for elementary science teachers that includes state standards...

Flip this interactive card to start learning about Brachiopods. Answer multiple-choice and fact-or-fiction questions and review some fast facts about this shelled animal that's been around for over 500 million years.

Fireflies can put on quite a light show! Watch a whole mangrove forest filled with fireflies lighting up and plunging into darkness over and over again in perfect synchrony. How do thousands of fireflies coordinate with each other? The...

Animated and interactive website from Children's University of Manchester on the Ancient Egyptian Number System. Students can explore the characteristics of ancient Egyptian numbers and use their math facts along the way.

A reference guide to obtuse triangles. It provides a definition and interactive animated activity that enhances further explanation.

This highly interactive animated site does a thorough job describing CAT scans. You can even produce your own CAT scan with one of the simulations.