Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This surprisingly good glue recipe comes from common kitchen items.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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?

Test your friends to find out if you can replicate the placebo effect's incredible results.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Make a backbone model to explore human anatomy and life science.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This science fair project idea explores the egg's thin membrane.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.