This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea demonstrates sonar mapping of the ocean floor.

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.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

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 fair project explores how osmotic pressure forces water through the root up into the plant.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.