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This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

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.

In this project, you will observe and record changes in sunspots over two weeks.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

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

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.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Science fair project that tests whether cats have a preference for organic food.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

This science fair project idea investigates the difference in reaction times between boys and girls.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea explores the fastest average speed a human can talk.

This project explores whether the tempo of the background music we hear in a businesses is important to the environment and how customers move.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

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

This science fair project teaches students the differences between fruits and vegetables.

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

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.