Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

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

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This science fair project idea tests for the existence of an ability known as remote viewing.

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

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.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Demonstrate how to tell the age of an egg without having to crack it open.

This science fair project idea outlines the principles and techniques behind paper batteries.

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

This experiment investigates whether there are certain sounds that affect men and women differently

Free science fair project idea examining how different types of water affect plant germination and growth.

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

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This experiment explores how listening in to a one-sided conversation affects concentration.