This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project idea investigates how color affects temperature.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Discover how and which salt melts ice the quickest.