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

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

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

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

This science fair project idea examines whether people can decode scrambled messages.

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

Explore the neural and mental mechanisms at play in mental imagery.

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

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.