Week 30 Quiz 7th Grade

Which is a positive effect of urban sprawl?

• there are more affordable houses
• increased pollution
• destruction of habitats
• more Pizza parlors (this one's not the right answer, but it is true)

 Which of the following activities contributes the most to carbon emissions globally?

• Deforestation
• Agriculture
• Burning fossil fuels
• Respiration

Melting of glaciers and polar ice caps....

• will result in cooler temperatures in the Arctic
• will result in sea-levels rising
• Will have no effect on ecosystems
• None of the above

Which is a negative effect of urban sprawl?

• new, affordable homes
• more farmland
• destruction of habitats
• more people pass their geography quiz

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

The gas that is most abundant in the atmosphere is

• oxygen
• nitrogen
• carbon dioxide
• argon

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

• Temperature goes up
• Temperature goes down

Without the Greenhouse Effect the Earth would be

• warm 
• cold
• dead

Which of the following gases, released by animals as a waste product of digestion, can add to global warming?

• Carbon Dioxide
• Methane
• Chlorofluorocarbon
• Nitrogen