Atmospheric Gases Worksheet

Which of the following gases are considered permanent atmospheric gases?

• Nitrogen and oxygen

• Water vapor and carbon dioxide

• Methane and ozone

• Argon and helium

What is a key characteristic of variable atmospheric gases?

• They remain constant in concentration

• They can change in concentration over time and from place to place

• They are only found in the oceans

• They are not recycled in the environment

Permanent atmospheric gases are recycled between which of the following?

• Only the atmosphere and oceans

• Atmosphere, living organisms, oceans, and Earth's crust

• Only living organisms and Earth's crust

• Only the atmosphere

Tags

NGSS.MS-LS2-3

Which variable gas in the atmosphere can vary from 0 to 4% depending on season, altitude, and biome?

• Ozone

• Carbon Dioxide

• Water Vapor

• Nitrogen

Which of the following is a major reason for the increase in atmospheric carbon dioxide levels?

• Photosynthesis by plants

• Melting of polar ice caps

• Burning fossil fuels and vehicles

• Volcanic eruptions

Tags

NGSS.HS-ESS2-6

What is the primary function of ozone in the atmosphere?

• Provides oxygen for breathing

• Protects us from UV radiation

• Regulates temperature

• Absorbs carbon dioxide

Which substances have contributed to the significant drop in ozone levels over time?

• Carbon monoxide and methane

• Chlorofluorocarbons (CFCs)

• Nitrogen oxides

• Sulfur dioxide

Which layer of Earth's atmosphere is the outermost, starting at 600 km and beyond?

• Troposphere

• Stratosphere

• Mesosphere

• Exosphere

What is the exosphere best described as?

• The region where weather occurs

• The transition region between the atmosphere and outer space

• The layer with the highest air pressure

• The layer where the ozone layer is found

Where do most satellites orbit the Earth?

• Troposphere

• Stratosphere

• Exosphere

• Mesosphere

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5