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

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.

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.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

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

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

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

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.

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.

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.

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.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

This science fair project examines how seeds hitchhike on animals and clothing.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

In this science fair project, students investigate how different colors influence appetite.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.