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

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

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.

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

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

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

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

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

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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.

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

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, 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!

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

This science fair project idea experiments with spinning color wheels and optical illusions.

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

Give your budding young observers a chance to discover simple machines at use in their own home.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

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

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

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!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.