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What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Think about the adaptive utility of an important aspect of our physiology.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Give your budding young observers a chance to discover simple machines at use in their own home.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Determine how good we are at direct and indirect observation.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Examine the effect of pressure on carbonation in soda.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.