Describes experiments that can be performed with seeds in order to learn about their properties such as how water temperature affects seeds, the direction roots grow, and the effect of talk… More →

Describes experiments that can be performed with soil in order to learn about its properties, including its composition, whether it can act as a natural filter, and if different substances… More →

Describes experiments that can be performed using solar energy in order to learn about its properties, including how different colors absorb sunlight, if it cleans dirty water, and whether it More →

Describes the physical properties of solids and explains how matter can change to and from a solid into a liquid or gas. More →

Presents experiments demonstrating the basic scientific principles of water, including information on erosion, precipitation, and condensation. More →

Provides step-by-step instructions for performing experiments designed to answer such questions about the weather as what makes it rain, how do scientists measure air pressure, and how does… More →

Examines the basic concepts of junk food through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas. More →

Learn all about Jupiter, our solar system's largest planet, and its many moons. More →