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This science fair project idea investigates how magnetism can defy the force of gravity.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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

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.

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

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.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

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

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

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

Have your child kick off their summer vacation by making a miniature water slide!

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

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

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

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

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

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

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.