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

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

This science fair project idea investigates the hardness property of minerals.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

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

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Plants and light seem to be good buddies, but how far does the friendship really go?

Here's a science activity to help your child investigate how seeds are designed to travel.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Science fair project that explains and demonstrates the parallax principle.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project idea investigates food preference of birds.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Science fair project that designs a video game that requires players to use relevant skills.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.