Earth’s atmosphere is made up of ____________ layers.
- two
- three
- one
- more than three
Earth's atmosphere has different layers based on the different ____________.
- temperatures
- depth
- humidity
- color
Our weather happens in this layer.
- exosphere
- stratosphere
- troposphere
- mesosphere
This layer has about 75% of the Earth's air, even though it is the thinnest layer.
- mesosphere
- troposphere
- exosphere
- stratosphere
Meteors burn up in this layer.
- mesosphere
- exosphere
- stratosphere
- troposphere
The International Space Station orbits here - above the mesosphere.
- mesosphere
- exosphere
- thermosphere
- stratosphere
This layer is really "space"
- mesosphere
- exosphere
- thermosphere
- stratosphere
This layer gets hotter as you go away from the Earth and is where weather balloons fly.
- stratosphere
- mesosphere
- exosphere
- troposphere
This layer gets cooler as you go from the Earth's surface up.
- mesosphere
- troposphere
- stratosphere
- thermosphere
The Aurora Borealis are also known as this.
- "Northern Darks"
- "Southern Lights"
- "Northern Lights"
- "Southern Borealis"
The ozone layer is in the troposphere.
- true
- false
Ozone protects us from _________________ sunlight.
- ultraviolet
- yellow
- red
- ultrablue
Another way of talking about space is the ____________ layer.
- exosphere
- mesosphere
- stratosphere
- thermosphere
We live in the ___________________.
- stratosphere
- exosphere
- troposphere
- mesosphere
About ____ % of the air is in the troposphere.
- 99
- 21
- 25
- 75