This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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!

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

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.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This biodiversity project examines the biodiversity in your own backyard.

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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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.

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

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project teaches students the differences between fruits and vegetables.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

This science fair project idea experiments with spinning color wheels and optical illusions.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.