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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This science fair project idea determines if the color of light affects the growth of plants.

In this project students experiment with making music using only glasses of water.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

In this project children practice the scientific method while playing with puffy paint.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Find out whether a longer airplane will fly farther or a wider paper airplane.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Learn whether writing things down really makes things easier to remember.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project idea determines the most effective method of preserving food.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Do you think heat can affect a plant's growth rate?

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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