Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

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

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

If there's a special person in your fourth grader's life, show him how to create this beautiful photo frame luminary as an extra special Valentine's Day gift!

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

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

This science fair project idea examines liquids of different densities.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

These festive red and blue drink umbrellas are the perfect DIY party idea. While you're making them you can even sneak in a little compass practice.

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

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

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

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This science project idea examines the effect of microwaving on various objects.

Practice third and fourth grade measurement skills and make a practical holiday gift in the process!

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Honor the spirit of the Civil Rights Movement by interviewing someone in your community who lived it.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

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