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.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea produces varying pitches of sound.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.