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.

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.

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.

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

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.

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?

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Teach your child about using pumps to move water in this simple and educational preschool science activity!

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

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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.

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

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

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

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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 examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

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!