What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this science fair project, students make their own rain gauge to measure rainfall.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This project determines what category of person is most likely to be ticklish.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

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.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.