The Atmosphere and Biogeochemical Cycles

1. The gas found in the largest concentration in the troposphere is

• Oxygen gas
• Nitrogen gas
• Argon gas
• Carbon dioxide gas

2. Which 2 of the following gases were formed during the combustion reaction in the candle lab?

• Carbon dioxide
• Oxygen
• Water vapor
• Nitrogen

3. Explain two ways in which the existence of green algae and land plants affected the early atmosphere.

Tags

NGSS.MS-LS1-6

4. What tool is used to measure air pressure?

5. How are the layers of the atmosphere determined?

• By changes in atmospheric gases.
• By changes in temperature.
• By changes in magnetism.

8. Explain why the ozone layer is important.

Select the best answer- What is weather?

• Long-term average temperature and precipitation

• Day-to-day conditions

• Effects on space

• None of the above

Tags

NGSS.MS-ESS2-5

What kind of weather is usually associated with a low pressure system?

• Sunny weather
• Precipitation (rain, snow, etc.)

Tags

NGSS.MS-ESS2-5

What layer does weather occur in?

• mesosphere
• troposphere
• thermosphere
• stratosphere

Tags

NGSS.MS-ESS2-5

Which type of front is located near Boston?

• warm front
• cold front
• stationary front
• occluded front

Tags

NGSS.MS-ESS2-5