Greenhouse Gases

Greenhouse gases, like carbon dioxide, methane and nitrous oxide build up in the Earth's atmosphere. Which of the following is NOT mentioned as a greenhouse gas?

• Carbon dioxide

• Methane

• Nitrous oxide

• Oxygen

Tags

NGSS.MS-ESS3-5

Human activity is increasing the concentrations of ________, methane, and nitrous oxide in the atmosphere.

• carbon dioxide

• oxygen

• argon

• hydrogen

Tags

NGSS.MS-ESS3-5

What happens to some of the sunlight that enters the Earth's atmosphere?

• It is all reflected back to space

• It is all absorbed by the surface

• Some is absorbed at the surface and some is reflected back to space

• None is absorbed at the surface

In 2019, CO2 accounted for about what percentage of all U.S. greenhouse gas emissions from human activities?

• 50%

• 60%

• 80%

• 90%

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

The main human activity that emits CO2 is the combustion of fossil fuels (coal, natural gas, and oil) for energy and transportation.

• True

• False

Tags

NGSS.MS-ESS3-5

According to the pie chart titled 'U.S. Carbon Dioxide Emissions, By Source', which sector is responsible for the largest share of CO2 emissions?

• Industry

• Transportation

• Electricity

• Residential & Commercial

According to the pie chart, what percentage of U.S. carbon dioxide emissions comes from transportation?

• 31%

• 15%

• 45%

• 22%

When sunlight reaches Earth, what determines whether it is reflected or absorbed?

• The color of the sunlight

• Earth's surface and atmosphere

• The distance from the sun

• The time of day

Tags

NGSS.MS-ESS2-6

Human changes in land use and land cover, such as deforestation and urbanization, have changed Earth's ______, leading to increased warming as sea ice retreats.

• reflectivity

• gravity

• magnetism

• rotation

Tags

NGSS.MS-ESS3-4

According to the diagram, how does the concentration of sea ice in the Arctic change from 1885 to 2085?

• It increases

• It stays the same

• It decreases

• It disappears completely