Layers of Atmosphere

As you go higher in the troposphere, the temperature _______________.

• decreases
• increases
• stays the same
• gets very hot

Which layer is the lowest layer of the atmosphere?

• stratosphere
• thermosphere
• troposphere
• mesosphere

The ________ is between the mesosphere and troposphere.

• stratosphere
• thermosphere
• troposphere
• mesosphere

Meteors begin to burn up in the...

• stratosphere

• thermosphere

• troposphere

• mesosphere

What is the second most abundant gas in the atmosphere at 21%?

• oxygen

• nitrogen

• argon

• carbon dioxide

The ________ is between the mesosphere and troposphere.

• stratosphere
• thermosphere
• troposphere
• mesosphere

What takes place at the surface of an ocean when a liquid changes to a gas, like water vapor?

• evaporation
• condensation

What is the order of the layers of the atmosphere, starting with the layer closest to Earth's surface?

• Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere

• Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

• Troposphere, Stratosphere, Mesosphere, Exosphere, Thermosphere

• Troposphere, Stratosphere, Thermosphere, Exosphere, Mesosphere

Clouds form when water vapor _______, or changes from a gas to a liquid.

• evaporates

• condenses

As you travel higher up in the atmosphere the...

• altitude decreases and the temperature increases (gets warmer)

• altitude increases and the temperature decreases (gets colder)