Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

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

This experiment investigates if small changes in your diet can alter your basal body temperature.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

In this science fair project, students test how objects float and sink in liquids of different densities.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

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

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

This science fair project idea explores which fruit molds the fastest.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Construct and experiment with a periscope using reflected light rays to gather an image.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Do you think heat can affect a plant's growth rate?

Check out this cool science fair project on identifying rocks and minerals for kids.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.