Earth's

Which gas in our atmosphere is most abundant?

• Argon

• Oxygen

• Nitrogen

• Carbon Dioxide

What is the percentage of oxygen in Earth's atmosphere?

• 1%

• 21%

• 78%

• 90%

What is the percentage of nitrogen in Earth's atmosphere?

• 1%

• 21%

• 78%

• 90%

In which layer of the atmosphere does weather occur?

• Mesosphere

• Thermosphere

• Stratosphere

• Troposphere

Tags

NGSS.MS-ESS2-5

Which type of natural resource is coal classified as?

• Renewable

• Non-renewable

• Inexhaustible

• Recyclable

Tags

DOK Level 1: Recall

An unexpected or unwanted entry

• Pluton

• Elevation

• Tephra

• Intrusion

What causes the temperature to increase in the stratosphere?

• Nitrogen

• Ozone

• Water Vapor

• carbon dioxide

What is the outer most main layer of Earth's atmosphere?

• Thermosphere

• Troposphere

• Stratosphere

• Mesosphere

What is the second lowest main layer of Earth's atmosphere?

• Thermosphere

• Troposphere

• Stratosphere

• Mesosphere

The layers of the atmosphere are classified according to changes in _________.

• altitude

• density

• composition

• temperature