In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

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

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

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

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

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This project explores differences in people's reactions to images in color and images in black and white.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Evaluate if people are more influenced by video or audio advertising.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

This science fair project idea explores which kinds of earplugs are the most effective.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.