This science fair project idea examines readersâ expectations in regard to literature.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

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

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

This science fair project idea explores edible things you didn't know you could eat.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.