Science fair project that explores the natural process of limestone formation.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

This project examines which type of dance burns the most calories.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

In this cool science project, model how impact craters form on the surface of the moon.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

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.

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

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

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.

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

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

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

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

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

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

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

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!

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.

Kids make strong bubbles to investigate the effect different additives have on bubble life 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!

Examine the effect of pressure on carbonation in soda.

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

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.

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

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