Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

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.

Make edible amber fossils with your second grader to explore the fascinating world of science!

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.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Discover how and which salt melts ice the quickest.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.