Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

This science fair project idea determines if the color of light affects the growth of plants.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

How powerful is the reaction between baking soda and vinegar? Find out here!

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this CD hovercraft science project, students will construct their own DIY hovercraft.