Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

This project explores what happens to a rubber band when it is heated and cooled.

This experiment investigates if stress alters body temperature.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea compares biodiversity between drops of water.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Examine whether males or females are more likely to have a higher center of gravity.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

This science project challenges high school students to study the linguistic evolution of text messaging.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

Test the combustion of different types of woods.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.