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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Start your toy engines -- this is going to be a fast and friction-filled race!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This science fair project idea demonstrates that plants give off water.

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

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

The objective of this science project is to determine the length of time for different seeds to germinate.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

This science fair project idea determines which method of hand cleansing is the most effective.

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.