This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This experiment evaluates if personality influences whether a person prefers dogs or cats.

This project examines whether people's taste perception is influenced by what they see.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

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.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This project examines whether humans can intuitively grasp numeric values greater than three.

This science project allows students to study the psychology of happiness.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

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!

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

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

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

The objective of this experiment is to conduct a ganzfeld experiment and determine if extrasensory perception (ESP) can be observed.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Explore if planting seeds in a certain direction will affect how fast it germinates.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.