Unit 5 and 6 Review

Why is the greenhouse effect important?

• It keeps the Earth's temperatures stable and moderate.

• It helps keep out some of the Sun's harmful UV rays.

• It helps to sustain life on Earth.

• All of the above.

Which greenhouse gas is the most common in our atmosphere and is responsible for about 2/3 of global warming?

• Carbon dioxide

• Methane

• Ozone

• Chlorofluorocarbons

Tags

NGSS.MS-ESS3-5

How does carbon dioxide enter our atmosphere?

• The burning of fossil fuels

• Waste breaking down in landfills

• Deforestation

• All of the above.

What major historical even is considered the turning point for our CO2 levels?

• World War I

• World War II

• The Industrial Revolution

• The Civil War

Tags

NGSS.HS-ESS2-6

What is the current level of CO2?

• 200 ppm

• 250 ppm

• 350 ppm

• 400 ppm

How much stronger is methane than carbon dioxide?

• 20 times stronger

• 60 times stronger

• 80 times stronger

• 100 times stronger

Tags

NGSS.HS-ESS2-6

Which type of Ozone is considered harmful, human caused, and is referred to as "smog?"

• The Ozone layer high up in the atmosphere.

• The Ozone that is found near the ground.

• Both of the above.

• Neither of the above.

Which type of Ozone is natural and helps block out the Sun's harmful UV rays?

• The Ozone layer high up in the atmosphere.

• The Ozone that is found near the ground.

• Both of the above.

• Neither of the above.

How much stronger is nitrous oxides than CO2?

• 10 times stronger

• 150 times stronger

• 250 times stronger

• 300 times stronger

What is the best way to lower the amount of nitrous oxides in our atmosphere?

• Burn less fossil fuels.

• Reducing the waste in our landfills.

• Sustainable farming practices.

• Stopping deforestation.

Tags

NGSS.HS-LS2-7