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How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Learn all about balance and motion as your child designs a corn maze!

Science fair project that examines condensation and the conditions needed in order for dew to form.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.