Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This science fair project idea explores how length affects the weight a bridge can hold.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

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.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.