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

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.

In this project children practice the scientific method while playing with puffy paint.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

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

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This science fair project idea identifies and understands adaptations in birds.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Explore the effect of wind speed on the burning rate of a candle.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea raises awareness of a real ecological issue.

In this project students experiment with making music using only glasses of water.