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

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

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

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.

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

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.

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.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea produces sounds by creating vibrations using different objects.

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 produces varying pitches of sound.

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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!

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.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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

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

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.