This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

Find out whether putting something on top of a plant will inhibit its growth.

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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

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

Discover how and which salt melts ice the quickest.

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.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

In this design challenge, your child will make a bottle rocket using typical household items.

Take a dive into the candy jar with this yummy science experiment.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.