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

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

Explore the belief in astrology as a predictive system.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Learn about the factors that influence group conformity.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Discover whether the color of text correlates with ease and speed of reading.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

This science fair project idea sheds some "light" on which color of candles burn the longest.

This science fair project idea studies the differences in gender perception between people.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

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

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

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.

Investigate which substances are most effective at removing salt from water.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.