Optical Society
Optical Society of America: Exploring the Science of Light: Easy Activities
A collection of simple experiments for exploring the basic properties of light and color.
Hunkins Experiments
Hunkin's Experiments: Sound Experiments
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This group of...
Science is Fun
Fun Science: Lumpy Liquids and Squishy Solids
Investigate the properties of a strange substance which acts like a liquid and a solid. This simple experiment can be done with corn starch and water.
Science Made Simple
Science Made Simple: Why Is the Sky Blue?
This website has three different projects from which to choose on the topic of why the sky is blue. Also, you can scroll up to learn more about why the sky is blue.
Optical Society
Optical Society of America: Optics for Kids: Mirror, Mirror on the Wall
A simple experiment that clearly demonstrates angles of reflection when light hits a mirror. Accompanied by a good explanation of what's happening, and a link to an article on reflection.
Bill Nye
Bill Nye: Barometer in a Bottle
This tutorial by Bill Nye explains how to make a simple barometer using a jar and a balloon. The barometer is an old and accurate first look at predicting the weather by examining the pressure of the atmosphere. Discover how atmospheric...
Science Made Simple
Science Made Simple: How Do Animals Spend the Winter?
Use this site to learn how animals use hibernation, adaptation, and migration to overcome the difficulties of winter.
PBS
Pbs: Water Quality Control Center: Rough Science: Rough Science Adventure
A team from the PBS show Rough Science Adventure have produced tests to determine attributes of water. Simple experiment guides will investigate pollution, mineral content, whether there are organisms living in the water, how to create a...
Science is Fun
Fun Science: The Collapsing Can
Air pressure can be dramatically shown with this simple experiment that only requires an aluminum can, tongs, a 2-3 quart sauce pan and a stove.
Optical Society
Optical Society of America: Optics for Kids: Make a Light Fountain
A simple experiment that demonstrates the concept of total internal reflection, and shows how light can travel around curves and corners, as it does in fiber-optic cables. Accompanied by an explanation of what's happening.
Bill Nye
Bill Nye: Burn Rubber
This tutorial from Bill Nye explains how to perform a simple experiment with a rubber band. The experiment demonstrates how friction can dissipate energy as heat.