How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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

In this project, different brands of microwave popcorn are tested and compared.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project teaches students about wilting and browning of salad greens.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Explore if planting seeds in a certain direction will affect how fast it germinates.

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!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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

This science fair project examines how seeds hitchhike on animals and clothing.

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

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.