In this science fair project, young children notice and track changes in trees throughout the year.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Introduce your child to science with something they see everyday--their shadow!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.