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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.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea produces varying pitches of sound.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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