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

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

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.

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!

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

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

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.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This surprisingly good glue recipe comes from common kitchen items.

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

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.

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

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

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.

How powerful is the reaction between baking soda and vinegar? Find out here!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

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

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

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!

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

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

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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.