Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea demonstrates that plants give off water.

The goal of this project is to create an exciting topographical map out of dough.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this project children practice the scientific method while playing with puffy paint.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea experiments with spinning color wheels and optical illusions.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

This science fair project idea provides evidence that air is everywhere and takes up space.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!