How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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 explores how length affects the weight a bridge can hold.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea investigates whether plants can survive being frozen.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project that determines whether mass and weight are the same or different.