Vocabulary

Winter atmosphere. Photo courtesy of Jenny. 

Acid rain: when the pH of precipitation is lowered below a pH of 5, meaning it is more acidic than normal

Air pollution: any substance released into the atmosphere in harmful/unnatural amounts

Air pressure: force of air weighing down over a unit of area

Convection: heat transferred through the movement of a fluid (e.g. air or water)

Heat: energy transferred from one object to another

Latent heat: heat taken in or released when an object changes state (solid, liquid, gas)

Ozone: 3 oxygen atoms

Particulate matter: droplets and solid materials suspended in the air

Specific heat: amount of energy required to raise the temperature of one gram of the material by one degree C

Temperature: measure of how fast the atoms in a material are vibrating

Temperature gradient: change in temperature with distance

After you have completed this part of the lesson, you can check the associated box on the main course page to mark it as complete

Last modified: Friday, 24 March 2017, 10:56 AM