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.

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.

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

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!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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

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

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

This surprisingly good glue recipe comes from common kitchen items.

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?

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.

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.

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

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

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

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

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!

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

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

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

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

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

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

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!

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

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