Science Buddies
Science Buddies: Make Your Own P H Paper
In this "kitchen chemistry" project about acid/base chemistry, you will measure the acidity or alkalinity of a solution using a logarithmic scale called the pH scale. As you learn about the pH scale, you will have the chance to make your...
City University of New York
P H and Indicators: Interactive Investigation
The story of the dye industry is used to introduce pH and how it is measured and calculated.
National High Magnetic Field Laboratory
Magnet Academy: Humphry Davy
Humphry Davy was a pioneer in the field of electrochemistry who used electrolysis to isolate many elements from the compounds in which they occur naturally. Electrolysis is the process by which an electrolyte is altered or decomposed via...
Great Idea Finder
The Great Idea Finder: Electric Battery
A brief article from The Great Idea Finder.
Wikimedia
Wikipedia: Fuel Cell
A detailed Wikipedia encyclopedia article on fuel cells explains what they are, the controversies in the use of hydrogen as a fuel, and practical problems. There is also a lengthy section on the five generally recognized types of fuel...
Smithsonian Institution
National Museum of American History: Fuel Cell Basics
Presents a general overview of fuel cells including what is a fuel cell, how do they work, and the different types.
Other
Laptop Battery Frequently Asked Questions
Everything you ever wanted to know about laptop batteries. Featuring information about laptop and notebook batteries including tips, tricks, and advice on battery care.