Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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

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

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Try this chemistry experiment with your curious kid and get some "shocking" results!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

An home science experiment for older students that teaches about the science behind heat.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea examines the reason boats are shaped and engineered.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea provides evidence that air is everywhere and takes up space.

In this science fair project, students make their own rain gauge to measure rainfall.

In this science fair project, students create their own miniature salt flats at home.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

This science project teaches students to classify different shapes of leaves.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea produces varying pitches of sound.