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 idea examines which type of insulation holds in the most heat.

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

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

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

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

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

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

Help your child learn about animal classification with this fun and delicious activity.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.