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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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

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

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

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

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

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.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This project investigates the affect of storage temperature on microwave popcorn.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this design challenge, your child will create a parachute for a small toy using typical household items.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Teach your child how butter is created by shaking up cream the old-fashioned way.