Layers of the Atmosphere
What happens in the Mesosphere?
Meteors burn up.
Is the greenhouse effect bad?
No. Without the greenhouse effect the earth would be too cold for humans.
What is the definition of temperature?
Temperature:How fast molecules are moving
Why is the atmosphere important?
It provides materials like oxygen and carbon dioxide that living things need to survive.
Which layer is up to 10 kilometers thick?
The Troposphere
Name two types of light that are in sunlight.
Ultraviolet light, invisible light, and infrared light.
What is density the measure of?
Density is the measure of the mass of the air present in a particular volume.
What does the atmosphere absorb?
It absorbs energy from the sun and earth to?
What does the ozone layer trap?
Ultraviolet lights
What happens to heat that goes into Earth's atmosphere?
Most of it is absorbed by the atmosphere and whats left over is radiated back into space.
As you increase the altitude, air pressure....
Decreases
Name 5 gases that are in our atmosphere.
Nitrogen, oxygen, carbon dioxide, argon, and water vapor are all in our atmosphere.
Name the layers of the atmosphere in order from closest to farthest from Earth.
Troposphere,Stratosphere,Mesosphere,Thermosphere, and Exosphere
True or false:
The greenhouse effect makes our planet less hospitable for living things.
False
Fill in the blank.
Air near the ground is _________ than air higher in the atmosphere because there _________ air pressing down from above.
denser
more
Why does the atmosphere absorb energy from the sun and earth?
It absorbs the energy from the sun and earth to keep the earth's surface warm.
What happens to the temperature in the troposphere?
It decreases.
Name a few greenhouse gases.
Carbon dioxide, methane, and water vapor.
Does the temperature increase or decrease in the Mesosphere?
Decrease
Fill in the blank.
When Earth first formed the atmosphere was surrounded by _______________ and ______________, but solar winds blew them away.
hydrogen
helium gas