Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

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.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This project involves the development of a website using free software online to promote the value of science.

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

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Explore the negative and positive consequences of stereotypes.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Explore the relationship between personality traits and birth order effects.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.