This science fair project idea investigates which objects float and sink in honey, water, and oil.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This surprisingly good glue recipe comes from common kitchen items.

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea explores whether talking to a plant will help it grow.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

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

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.