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Transcript of Atmosphere
Update your agenda and TOC!!!
Put your vocab foldable (glue to loose leaf, pg. 5) in your binder
Create a new vocab bingo card (goes w/ pg. 5) using your new vocab, a free space + "theory" to complete the board (16 spaces total)
Atmosphere Notes (p. 6)
What happens to pressure as altitude increases?
A look at pressure + temperature...
In the space provided on your notes page, provide at least a 1 paragraph summary of today's lesson
Guided Reading + Study
WS (Ch. 2)
Anything not completed is HW!
Summary + Review
Understand composition of earth's atmosphere
Review atmosphere vocab
What is earth's atmosphere?
It is the layers of gases that surround the earth which consist of 78% nitrogen and 21% oxygen. The remaining 1% consists of other gases.
Illustration of Gases in Dry Air
What other gases are there besides nitrogen and oxygen?
What is ozone?
A form of oxygen that has 3 oxygen atoms in each molecule instead of the usual 2.
(You can smell the air after a thunderstorm; this is the odor of the ozone caused when lightening interacts with oxygen.)
Argon (0.93%), Carbon Dioxide (0.038%), Neon, Helium, Methane, Krypton, + Hydrogen
What is water vapor?
It is water in the form of a gas.
It is invisible
Why is earth's atmosphere important?
It makes conditions on Earth suitable for living things.
Contains oxygen and other gases that living things need to survive.
Keeps most of the Earth’s surface warm.
Protects Earth’s surface from Sun’s UV radiation.
Prevents Earth’s surface from being hit by most meteoroids from outer space.
Layers of the Atmosphere
Closest to earth
Altitude: 0 to 12 km
Where weather occurs
Where planes fly
Where people live
Temperature decreases with increased altitude
AKA: Lower Layer
Altitude: 12 to 50 km
Where most jets fly
Where the ozone layer is found
Ozone absorbs and scatters UV radiation
Atmosphere is drier
Temperature increases with altitude
Altitude: 50 to 80 km
Radio waves are reflected to earth
Meteors burn up
Temperature continues to decrease with altitude
AKA: Middle Atmosphere
Altitude: 80 km + higher
Temperature increases with altitude due to solar absorption
AKA: Upper Atmosphere
Divided into 2 layers:
Altitude: 80 to 400 km
Lower layer of thermosphere
Radio waves bounce off this layer
Northern Lights/aurora borealis occur here
Altitude: 400 km + beyond
"Exo-" means outer
Extends to outer space
Satellites orbit this layer
Update your agenda + TOC!!!
Have your homework out to be checked.
With your neighbor, organize the images provided within the appropriate layer of the atmosphere diagram. You may use your notes.
Expand + apply understanding of earth's atmosphere.
Use pages 62 to 81 to complete a cause + effect chart for each of the following:
When finished, begin working on the
Layers of the Atmosphere
WS on the front table. This is HW if not completed in class!
Update your agenda (+ TOC if needed)!!!
Have HW out to go over
Expand on understanding of our atmosphere and sources of damage/pollution
Review atmosphere vocab
Begin water cycle vocab
Update your agenda!!!
Review quietly for your vocab quiz if needed. Your quiz is fill in the blank w/ word bank.
Talking = 0
Place your quiz on the front table when done
You may then read/work quietly
Demonstrate understanding of unit vocab
Begin discussing the water (hydrological) cycle
Follow instructions to cut. Then, use your textbook to match the correct terms + definitions. If you finish early, begin studying.
Begin developing an understanding of the earth's atmosphere
the flow of water that occurs when excess stormwater, meltwater, or other sources flows over the earth's surface
Fill in each blank on your notes page as we go through the following slides.
ON THE PAPER PROVIDED...
Write your name
List 6 facts from the video
This is your ticket out the door (hand to me on your way out after dismissed)
nitrogen oxide + sulfur oxide
mix w/ water
harms bodies of water + aquatic living things
increase in CO2 due to humans
raises earth's temps.; melting of ice, rise in sea levels; changes in weather/climate
bigger hole in ozone;
more UV rays
mix of sunlight + pollutants
can irritate eyes, throat, + lungs; can harm living things