Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

This experiment evaluates whether motivational music can improve athletic performance.

This science fair project idea determines which method of hand cleansing is the most effective.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Science fair project that cultivates slime mold and monitors the stages of its development.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

In this experiment you will evaluate whether praise improves athletic performance.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Examine the connection between temperature and chemiluminescence.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

Start your toy engines -- this is going to be a fast and friction-filled race!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

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

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.