Atmosphere & Air pollution

What protects Earth from ultraviolet rays from the sun?

• ozone layer

• mesosphere

• air pressure

• troposphere

In what layer would you find the ozone layer?

• troposphere
• stratosphere
• mesosphere
• thermosphere

What layer comes next:
Troposphere - 
stratosphere -
?????

• mesosphere
• exosphere
• thermosphere
• ionosphere

What gas makes up the majority of the atmosphere?

• oxygen

• nitrogen

• water vapor

• carbon dioxide

What layer of the atmosphere is closest to outer space?

• mesosphere

• exosphere

• troposphere

• stratosphere

In what layer of the atmosphere would you find clouds and weather?

• troposphere
• stratosphere
• mesosphere
• thermosphere

What is a primary pollutant? 

• pollutant that is put directly into air by human activities
• pollutants that react with other primary pollutants

What is Noise pollution?

• When too many people talk at once.

• When the audio from a device is crackling loudly.

• When radio speakers are damaged.

• This comes from the activity of many sources, some are: transportation sources, car alarms, fire alarms, barking dogs and fireworks, etc.

Ozone and acid rain are both pollutants formed through reactions in the atmosphere. This makes them

• primary air pollutants
• secondary air pollutants 
• atmospheric transport
• atmospheric deposition

What is air pollution?

• Any harmful substance that builds up in the air 
• pollen, dust, gases
• industrial pollution
• chemicals in the water