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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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.

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.

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

This surprisingly good glue recipe comes from common kitchen items.

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.

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

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.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

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!

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?

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

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!

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

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!

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

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

Making your own glass cleaner is easy, effective and inexpensive!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.