Climate Change

The main human activity that releases greenhouse gases is...

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

T/F: Water vapor is a greenhouse gas

• True
• False

T/F: Some greenhouse gases are naturally present in the Earth's atmosphere

• True
• False

The warming of the atmosphere by the trapping of heat being radiated to space is called

• evaporation
• condensation
• the greenhouse effect
• radiation

What are the two most common greenhouse gases?

• Water Vapor (H₂O) and Methane (CH₄)
• Carbon Dioxide CO₂ and Methane (CH₄)
• Water Vapor (H₂O) and Carbon Dioxide CO₂
• Water Vapor (H₂O) and Nitrous oxide (N₂O)

Which layer in the atmosphere protects us form harmful UV radiation?

• Ozone
• Troposphere
• Ionosphere
• Exosphere

What is the greenhouse effect?

• The warming of a planet due to trapped radiation.
• The cooling of Earth due to air pollution.
• The heating of a solid, such as a rock.

Which of the following are greenhouse gases?

• Carbon dioxide
• Methane
• Water vapor
• All answers are correct

Without the Greenhouse Effect the Earth would be

• warm 
• cold
• dead

What happens to the temperature if more greenhouse gases are released into the atmosphere?

• Temperature goes up
• Temperature goes down