Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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.

This science project idea examines the effect of microwaving on various objects.

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.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Find out which kind of bubble wrap fares best when put in impact.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

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

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

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

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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