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

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.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

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

This science project has students study the idea of human beauty.

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

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

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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 science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.