Visit Your Local PBS Station PBS Home PBS Home Programs A-Z TV Schedules Watch Video Donate Shop PBS Search PBS

NOVA Online (see text links below)
Search for a Safe Cigarette  
On Fire
Shuffle Atoms

Shuffle (1)

Methane (CH4) is a clean-burning fuel that is the main constituent of natural gas, the type of gas piped into homes. The combustion of methane (CH4) is similar to that of hydrogen, though with methane, many more chemical reactions take place before stable molecules form.

When ignited, a molecule of methane reacts with two molecules of oxygen (O2). The end result is three new molecules: two molecules of water (H2O) and one of carbon dioxide (CO2).

Chemistry Basics

Continue...



To Print

Anatomy of a Cigarette | "Safer" Cigarettes: A History | The Dope on Nicotine | On Fire
Resources | Teacher's Guide | Transcript | Site Map | Search for a Safe Cigarette Home

Search | Site Map | Previously Featured | Schedule | Feedback | Teachers | Shop
Join Us/E-Mail | About NOVA | Editor's Picks | Watch NOVAs online | To print
PBS Online | NOVA Online | WGBH

© | Updated October 2001
 

Support provided by

For new content
visit the redesigned
NOVA site

Shop Teachers Feedback Schedule Previously Featured Site Map Search NOVA Home Search for a Safe Cigarette Home Site Map Search for a Safe Cigarette Home