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.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Examine the effect of pressure on carbonation in soda.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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

Word color association is just a fancy way to talk about the way we connect colors with words.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.