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This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

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

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!