Construct batteries that make electricity from fruits with this fun science fair project.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project idea investigates how the shape of an object affects drag.

How do organic materials become soil? This science experiment measures what materials biodegrade.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science fair project investigates why the number of visible stars changes from place to place.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project idea investigates the difference in reaction times between boys and girls.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

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

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea explores whether color affects a person's emotional state.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.