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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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!

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

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

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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.

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

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.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

This surprisingly good glue recipe comes from common kitchen items.

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

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.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!