Layers of the Atmosphere

download report

Transcript Layers of the Atmosphere

Layers of the Atmosphere
Name
Class Period
Thermosphere
• Upper level of the atmosphere
• Extremely high temperature
• Doesn’t feel hot because of so few air
molecules
• Auroras occur here (Northern Lights)
• Some sattellites orbit here
Thermosphere
Mesosphere
• Air is thin
• Friction between meteors and air
molecules burn up most meteors
• Trail of burning meteors is a shooting star
Mesosphere
Northern Lights Auroras
Meteor
Stratosphere
• Temperature increase from bottom to top
Higher temperature because of ozone layer
absorbs from ultraviolet rays
• Some jet planes fly here to avoid storms
Stratosphere
Jet plane
Ozone layer
Troposphere
•
•
•
•
•
•
Layer where nearly all life exists
Tropo means turning, layer where air turns
Layer where Earth’s weather occurs
¾ of atmosphere by weight
Holds nearly all water vapor
Approximately 5 miles high ( 11 miles at
equator
Troposphere
Airplanes
Life
Weather
Picture of Layers