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

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be challenged to make a tower using paper cups.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Demonstrate which cooking method gets rid of the most fat.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Examine how a battery can be made from everyday materials.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

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

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

Will male or female hair grow faster? Find out in this science fair project idea!