Layer Boundaries in the Earth's Atmosphere

Where weather occurs.

• stratosphere
• thermosphere
• troposphere
• mesosphere

Where we live.

• stratosphere
• thermosphere
• troposphere
• mesosphere

Considered to be a part of the thermosphere.

• ionosphere
• thermosphere
• troposphere
• mesosphere

The coldest layer.

• troposphere
• thermosphere
• exosphere
• mesosphere

The hottest layer.

• troposphere
• thermosphere
• exosphere
• mesosphere

What happens to the air pressure the higher up in space you go?

• the air pressure increases
• the air pressure decreases
• the air pressure stays the same
• there is no air pressure

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

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

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

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

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

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

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

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