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!

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

This project examines the concentration of dissolved oxygen in water, with and without oil.