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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This biodiversity project examines the biodiversity in your own backyard.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Start your toy engines -- this is going to be a fast and friction-filled race!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea determines what household items are good conductors of electricity.

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

This science fair project idea examines the reason boats are shaped and engineered.

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

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Cleaning can be a chore, but not with this sudsy experiment!

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

In this activity your child will create their very own marble maze!

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.