In this science fair project, students evaluate if the phases of the moon affect the way people feel.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

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

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project idea determines effective strategies to help students stay awake and attentive.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

The goal of this project is to create an exciting topographical map out of dough.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.