Composition
Nitrogen
What is air pressure?
the force caused by the weight of the air
What is the 1st layer of the atmosphere?
troposphere
What can you find in the 1st layer of the atmosphere?
birds, clouds, airplanes
What is the sublayer found in the stratosphere?
ozone layer
What gas makes up 21% of the atmosphere?
Oxygen
Does air pressure decrease or increase as we travel higher in the atmosphere?
decreases
What is the 2nd layer of the atmosphere?
stratosphere
What can you find in the 2nd layer of the atmosphere?
ultraviolet rays from the sun
What does the ozone layer protect us from?
ultraviolet radiation
What gasses make up 1% of the atmosphere? (name 2)
carbon dioxide, water vapor, other gasses (argon)
highest
What is the 3rd layer of the atmosphere?
What can you find in the 3rd layer of the atmosphere?
meteor showers or shooting stars
What is the sublayer in the thermosphere?
Karman Line
What 2 gasses are in the exosphere?
hydrogen and helium
What happens to your ears as you go higher in the atmosphere?
they pop from the lower air pressure
What is the 4th layer of the atmosphere?
thermosphere
What can you find in the 4th layer of the atmosphere?
auroras (northern and southern lights), International Space Station
What is the Karman Line considered to be the edge of?
outer space
Which 3 layers of the atmosphere contain 99% of the gasses in the atmosphere?
troposphere, stratosphere, and mesosphere
Which layer of the atmosphere contains a dense concentration of 75% of the gasses?
troposphere
What is the 5th layer of the atmosphere?
exosphere
What can you find in the 5th layer of the atmosphere?
satellites
What is the sublayer in the exosphere called?
exobase