This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Discover whether a metal will expand under hot water.

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

Cleaning can be a chore, but not with this sudsy experiment!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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

This project compares the strength of one, two, and three-ply toilet paper.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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 explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.