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

In this project children practice the scientific method while playing with puffy paint.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Use a dichotomous key to identify plants or animals.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Explore the negative and positive consequences of stereotypes.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.