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

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

This fascinating science fair project explores eye color genotypes.

The objective of this science project is to investigate patterns in fingerprints among family members.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

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

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

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

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

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This project will explore whether music influences physical endurance.

This science fair project idea determines how your body responds to allergies.

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

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

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

Determine how we can separate the components of a solution

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

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Science fair project that determines whether mass and weight are the same or different.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

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

Explore the effect of wind speed on the burning rate of a candle.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.