This science fair project idea determines what household items are good conductors of electricity.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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?

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

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

This project determines what category of person is most likely to be ticklish.

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

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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 explore the relationship between acidic and basic compounds.

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

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

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

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.

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

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.

This project examines whether people's taste perception is influenced by what they see.

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.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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