In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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 psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Science fair project that determines whether mass and weight are the same or different.

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?

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Determine whether the application of Febreeze will lower the bacterial count.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

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 project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

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

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.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

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

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.