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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Learn all about balance and motion as your child designs a corn maze!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

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

This science fair project idea examines the reason boats are shaped and engineered.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

This science fair project idea explores the egg's thin membrane.

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

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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.