Help your child understand surface tension by showing them how they can create a "skin" on top of water.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Help your child plant a "tea garden": a garden made of herbs for making teas.

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

Compare different remedies for cooling the mouth after eating spicy food.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

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

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

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

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.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

This science fair project researches the most effective method to cut an onion and stay tear-free.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.