This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project will help students learn about non-vascular plants, such as mosses.

This project compares the strength of one, two, and three-ply toilet paper.

This surprisingly good glue recipe comes from common kitchen items.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

This science fair project idea explores substances that cause a bubble to last longer.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea investigates how the shape of an object affects drag.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.