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.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

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.

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.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

In this science fair project, students create their own miniature salt flats at home.

This science fair project researches the most effective method to cut an onion and stay tear-free.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

In this science fair project, students investigate how different colors influence appetite.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.