This science fair project idea determines which method of hand cleansing is the most effective.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

This science fair project idea determines the most effective method of preserving food.

Help your child learn about animal classification with this fun and delicious activity.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea determines the probability of a coin landing heads or tails.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This biodiversity project examines the biodiversity in your own backyard.

Start your toy engines -- this is going to be a fast and friction-filled race!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.