Atmosphere and Paleoclimate

Which describes the troposphere?

• lowest layer

• uppermost layer

• temperature decreases as altitude increases, and pressure decreases as altitude increases

• temperature increases as altitude increases, and pressure decreases as altitude decreases

Which describes the stratosphere?

• contains the ozone layer

• pressure increases as altitude increases

• temperature increases as altitude increases

• density increases with altitude

The ozone layer is in the...

• trophosphere

• stratosphere

• mesosphere

• ionosphere

Tags

NGSS.MS-ESS2-6

Concentration of nitrogen in the atmosphere

• 21%

• 55%

• 78%

• 95%

Concentration of oxygen in the atmosphere

• 15%

• 21%

• 78%

• 95%

Which layer of the atmosphere is densest layer?

• mesosphere

• stratosphere

• thermosphere

• troposphere

How do scientists collect evidence about climate? 

• using remote sensing from space with satellites
• by ground-based measurements of surface temperatures, carbon dioxide concentration and sea level
• by collecting “proxy data” from tree rings, ice cores, and historical records
• all of the above

Tags

NGSS.MS-ESS3-5

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-ESS3-5

The layers of the atmosphere are classified according to changes in 

• altitude
• temperature
• pressure
• density

What's the hottest layer of the Earth's atmosphere

• Troposphere
• Ozone Layer
• Exosphere
• Thermosphere