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Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

This project concerns activity happening millions of miles away, on the sun.

Here's a guide to starting a community clean-up project from scratch.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

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.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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