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.

This science project investigates the influence of different genres of movies on appetite.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

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

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.

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

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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!

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

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.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.