7.1 The Air Around You
7.2 Air Pressure
7.3 Layers of the Atmosphere
7.6 Winds
Misc.
100
the layer of gases that surrounds Earth.
What is atmosphere
100
Because air has mass, it exerts a force called
What is pressure
100
The layer of our atmosphere in which weather occurs is the
What is troposphere
100
The increased cooling that a wind can cause is called the
What is wind-chill factor
100
3 atoms of oxygen
What is ozone
200
Earth’s atmosphere is important to living things because it
What is provides all the gases that living things need to survive
200
The ____________________, or elevation, of a mountaintop is its distance above sea level.
What is altitude
200
The ozone layer protects living things on Earth from
What is ultraviolet radiation
200
Winds are caused by differences in
What is air pressure
200
78% of gas in our air
What is nitrogen
300
Earth’s atmosphere traps energy from the sun, which
What is allows water to exist as a liquid
300
The less mass in a given volume of air, the
What is less dense the air.
300
Which layer of the atmosphere protects Earth’s surface from being hit by most meteoroids
What is mesosphere
300
blow from specific directions over long distances
What are global winds
300
harmful substances in the air, water, or soil
What are pollutants
400
Photochemical smog results from the interaction of pollutants in the presence of
What is sunlight
400
Instruments used to measure air pressure are called
What is barometers
400
Scientists divide Earth’s atmosphere into four main layers, classified according to changes in
What is temperature
400
Earth’s rotation makes global winds curve. This is called the
What is the Coriolis Effect
400
contains the Aurora Borealis
What is ionosphere
500
The atmospheric gas called ____________________ forms clouds when it condenses.
What is water vapor
500
As you rise upwards in the atmosphere, air pressure
What is decreases
500
The ____________________ extends from the top of the troposphere to the bottom of the mesosphere.
What is stratosphere
500
Wind that blows over land during the day, coming from a nearby large body of water
What is a sea breeze
500
bands of high speed winds about 10 km above Earth's surface
What are jet streams
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