Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

This project compares different liquids and the freezing, melting and boiling points of liquids.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This science fair project examines how seeds hitchhike on animals and clothing.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Explore the relationship between personality traits and birth order effects.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

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

This science fair project collects information on the Internet about yourself and others.

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Determine whether the relationship between a personâs armspan and height are genetic.