Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this science fair project, students examine how temperature affects sugar transport within a plant.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

This experiment investigates if stress alters body temperature.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

This science fair project idea examines whether boys and girls differ in reflexes.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

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 whether eating before or after exercise is more beneficial to health and performance.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This experiment explores whether caffeine improves athletic performance.

The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

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

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

This experiment evaluates whether motivational music can improve athletic performance.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).