Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

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.

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

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

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 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!

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

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.

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

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.

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

In this project, waves of vibrations are experimented with using water in glasses.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Slip some science into storm watching with a homemade rain gauge!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.