How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea examines liquids of different densities.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

Cleaning can be a chore, but not with this sudsy experiment!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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.

This science fair project idea provides evidence that air is everywhere and takes up space.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science fair project idea explores the egg's thin membrane.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

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

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.

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.

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

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.