Atmosphere Vocabulary
7th Grade Earth Science
Directions
• Make 3 columns in your science notebook
• Title the columns WORD, DEFINITION, &
SENTENCE
• Write the word in the heading
• Write the sentence in the 3rd column
• Write the definition in the 2nd column
Atmosphere
• Meteors often burn up in Earth’s
atmosphere.
Atmosphere
• The mixture of gases that surrounds the
Earth.
• The outermost layer of Earth.
Weather
• Today’s weather report states that it will be
sunny.
Weather
• the condition of
the Earth’s
atmosphere at a
particular time
and place.
Ozone
• Scientists are worried that the Earth’s
ozone layer is being depleted.
Ozone
• A form of oxygen
that has 3
oxygen atoms in
each molecule
instead of 2.
Water Vapor
• The water vapor in the air is very
heavy today.
Water Vapor
• the invisible gaseous form of water
Pollutants
• Cars put a lot of pollutants into the air.
Pollutants
• harmful substances in the air, water,
and soil
Photochemical Smog
• The photochemical smog is really bad
in Los Angeles.
Photochemical Smog
• a brownish haze that is a mixture of ozone &
other chemicals, formed when the chemicals
interact with sunlight.
Temperature Inversion
• Las Vegas often has a temperature
inversion due to it’s topography.
Temperature Inversion
• weather condition
where a layer of
warm air prevents
the rising air from
escaping which
traps the polluted
air near the Earth’s
surface.
Acid Rain
• Acid rain is responsible for the
damage to marble statues.
Acid Rain
• rain that is more
acidic than normal
caused by the
release of
molecules of sulfur
dioxide & nitrogen
oxide in the air.
Pressure
• The pressure of air in a balloon makes it
expand.
Pressure
• the amount of force pushing on a
surface or area.
Air Pressure
• The air pressure is what helps planes
to fly.
Air Pressure
• a force that is the
result of the
weight of a
column of air
pushing down on
an area.
Altitude
• The city of Denver is at a high
altitude.
Altitude
• elevation above sea level
Barometer
• A meteorologist uses a barometer to check
for thunderstorms.
Barometer
• an instrument
used to measure
changes in air
pressure.