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!

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

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Making your own glass cleaner is easy, effective and inexpensive!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

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 experiment idea's objective is to understand the general concept of an acid and a base.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

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

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

In this science fair project, students create their own miniature salt flats at home.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

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

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.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!