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

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This classic children's game demonstrates how sound travels through air vs. through a solid.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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.

This science fair project idea investigates how magnetism can defy the force of gravity.

The objective of this science project is to determine the length of time for different seeds to germinate.

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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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