In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

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

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

Plants and light seem to be good buddies, but how far does the friendship really go?

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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