Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea determines which flower lasts the longest.

This science fair project idea produces consumable fresh water from salt water through desalination.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Plants and light seem to be good buddies, but how far does the friendship really go?

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

This experiment will explore the best way to create a perfect soft-boiled egg.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

In this science fair project, students make their own rain gauge to measure rainfall.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.