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The Atmosphere
Air
Seasons
100
This is the thin layer of gases that surround the Earth.
What is the atmosphere?
100
The substance that makes up everything in the universe.
What is matter?
100
This is the longest day of the year in Boston.
What is June 21st?
200
The lowest layer of the atmosphere. Weather happens in this layer.
What is the troposphere?
200
The amount of matter in an object.
What is mass?
200
This is the shortest day of the year in Boston.
What is December 21st?
300
The second layer of the atmosphere. It gets really really cold up in this layer.
What is the stratosphere?
300
This is the force that can squish blue cubes inside of a syringe.
What is pressure (or compression)?
300
This is the equinox that happens in spring. (called the vernal equinox)
What is March 21st?
400
This is what happens to the temperature as we go higher and higher in the atmosphere.
What is decreases (goes down)?
400
These are the gases that make up almost all of the air in the atmosphere.
What are oxygen and nitrogen?
400
This is the equinox that happens in the fall. (called the autumnal equinox)
What is September 21st?