This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

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

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

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

This fascinating science fair project explores eye color genotypes.

This science fair project idea measures physical dexterity as a function of temperature.

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.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

Science fair project that determines how we can change potential energy into kinetic energy.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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

This science fair project idea investigates food preference of birds.

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.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

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