The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?

• lower levels of ozone in the atmosphere
• lower levels of nitrogen in the atmosphere
• higher levels of carbon dioxide and other greenhouse gases in the atmosphere
• higher levels of oxygen in the atmosphere

Tags

NGSS.MS-ESS3-5

Which of the following REMOVES carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

Tags

NGSS.MS-LS1-6

Carbon can be found in...

• The atmosphere
• Soil
• Fossil fuels
• All of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels

Tags

NGSS.MS-ESS2-3

TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.

• True
• False

Tags

NGSS.MS-LS2-3

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

• Water
• Atmosphere
• Sun
• Air

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

Which one of these does not add CO2 to the atmosphere?

• cooking with gas
• planting trees
• burning wood
• riding in a bus

Combustion is another word for __________.

• Transportation
• Respiration
• Fossil Fuels
• Burning

Which of the following are fossil fuels?

• Coal, water, oil

• Oxygen, coal, oil

• Coal, Oil, Natural Gas

• None of the above

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-4