This project compares the strength of one, two, and three-ply toilet paper.

Word color association is just a fancy way to talk about the way we connect colors with words.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Is your child a young ornithologist in the making?

The project investigates how water and movement affects erosion.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates how the shape of an object affects drag.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.