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

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

This surprisingly good glue recipe comes from common kitchen items.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Engineers in training can get started with this simple wheel-and-axle construction activity.

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.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

I scream, you scream, we all scream for homemade spearmint ice cream!

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.