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How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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!

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

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

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

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

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

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

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

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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.

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