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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Inspired by Charles Kaufman's crushed can art, this activity lets kids make their own unique works of art using, you guessed it, crushed cans and paint!

In this activity, your students will research a favorite superhero and discuss which of their powers are real and not real. Your students will be able to complete a simple research chart and graphic organizer.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

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

Ever wonder how those kooky kazoos work? Get to know the science behind this silly instrument by making your very own kazoo!

Give your number one dad something that he truly deserves this Father's Day!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Help your child to create a familiar favorite from a book or series he adores out of papier-mache. Exercise your child's imagination and language arts skills.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This classic children's game demonstrates how sound travels through air vs. through a solid.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Stir up some friendly competition with this tabletop bow and arrow craft!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This Kool-Aid tie-dye activity is a kid-friendly craft that never gets old. Learn how to make tie-dye shirts using assorted Kool-Aid flavors here.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Learn with makes water molecules work with this fun and easy science activity!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.