Carbon Cycle Diagram

This diagram from NASA's Earth Science Enterprise illustrates Earth's carbon cycle.

Chemical Bonds

This interactive activity developed for Teachers' Domain demonstrates how attractive forces between atoms create chemical bonds, resulting in the formation of molecules and compounds.

Disappearing Milk

A magician pours milk into a glass, but when he turns the glass upside down, nothing comes out. How does he do it? Discover the science behind the "magic" in this video adapted from the American Society of Mechanical Engineers.

Electric Charges Interact

Experiment with electric charges to find out how they interact in this interactive activity adapted from NASA.

Gas Properties

In this interactive simulation adapted from University of Colorado’s Physics Education Technology project, change parameters and discover how the properties of a gas vary in relation to each other.

Global Warming: Carbon Dioxide and the Greenhouse Effect

This video segment adapted from NOVA/FRONTLINE demonstrates the physical property of carbon dioxide that causes the greenhouse effect.

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Periodic Table of the Elements

This interactive periodic table developed for Teachers' Domain provides detailed information about the chemical properties of elements and illustrates the electron configurations that determine those characteristics.