Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science fair project idea compares the mass and density of objects.

Discover how and which salt melts ice the quickest.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project collects information on the Internet about yourself and others.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

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.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

This science fair project idea raises awareness of a real ecological issue.

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