In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

How powerful is the reaction between baking soda and vinegar? Find out here!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Cleaning can be a chore, but not with this sudsy experiment!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.