Topic 6: Atmosphere IB ESS

Front

Identify the atmospheric layers?

Back

Troposphere, stratosphere with ozone, mesosphere, thermosphere, exosphere

Front

State the most common gasses in the atmosphere.

Back

Oxygen, nitrogen, CO2, water vapor, ozone

Front

Identify the main greenhouse gases.

Back

water vapor, CO2, and methane

Front

Define primary pollutants.

Back

emitted directly from the process

Front

Define secondary pollutants.

Back

formed when primary pollutants undergo a variety of reactions with other chemicals

Front

What does NOT describe tropospheric ozone?

Back

a primary pollutant

Front

Photochemical reaction

Back

A reaction which is catalyzed by light or dependent on light for the reaction to occur

Front

Characteristics of urban areas with high levels of photochemical smog.

Back

Located in a basin or surrounded by mountains, calm winds, dry weather, sunny, many industries and vehicles

Front

Which is the most abundant gas in the atmosphere?

Back

Nitrogen

Front

How has our atmosphere changed from the Cambrian period?

Back

Overall CO₂ content has decreased