Exosphere
What is the Exosphere part of?
The Atmosphere
True or False
The Thermosphere is the hottest layer.
True
What is the mesosphere?
One of the five layers of the Atmosphere.
Which layer is the stratosphere?
2nd layer.
True or False
We live in the Troposphere.
True.
What makes the exosphere vary from the other layers?
Its at the top of the Atmosphere and merges gradually into outer space
Why does this layer get so hot?
It takes in a lot of the sunlight/heat from the sun.
Why do most meteors burn in the mesosphere?
There is enough air to slow them down so they can burn up.
How does the stratosphere help guard Earth?
takes up UV rays.
What happens to the temperature as you go higher in the Troposphere.
It gets colder.
Why is the Exosphere the outermost layer?
Its the least dense layer and very thin.
Why is it hard for astronauts to be in the thermosphere?
Because of the heat.
Why does the temperature drop as you go up in the mesosphere?
Because the mesosphere doesn't have an ozone layer.
The stratosphere contains this protective layer that absorbs most of the Sun's harmful ultraviolet rays.
What is the ozone layer?
Almost all of earth's ___________ occurs in the Troposphere.
What is weather?
Because air molecules are so far apart, there is almost none of this in the exosphere.
This layer lies above the mesosphere and below the exosphere?
What is the thermosphere?
Unlike the stratosphere, temperatures in the mesosphere do this as altitude increases.
What is decreases (get colder).
Unlike the troposphere, temperature in the stratosphere do this as altitude increases.
What is increase (get warmer)?
The troposphere contains about this percentage of the atmosphere's total mass.
What is 75-80%?
How many miles up is this layer from Earth?
311-621
The Thermosphere contains this region of charged particles that allows radio signals to travel long distances.
What is the ionosphere?
The layer between the mesosphere and the thermosphere is called this.
What is the mesopause?
Why is the stratosphere more hot on the top than bottom?
The ozone layer captures the *UV* ultraviolet rays
The top boundary of the troposphere, where it meets the stratosphere is called this.
What is the tropopause?