Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this activity, your child will be challenged to make a tower using paper cups.

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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

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.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this design challenge, your child will make a bottle rocket using typical household items.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

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

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

This science fair project idea determines what household items are good conductors of electricity.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!