Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

Learn more about consumer preferences, product availability and pricing. Search ebay listings typing keywords of your choice. Interpret statistical analysis

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

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 science fair project idea explores how length affects the weight a bridge can hold.

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

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

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

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

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

This science project examines the history of earthquakes and what we can do to prevent future disasters.

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

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

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

This basketball project explores the best way to make the perfect shot every time.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Examine the connection between temperature and chemiluminescence.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

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.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.