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The Atmosphere
The atmosphere and air pollution.
27
Science
9th Grade
12/06/2010

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Cards

Term
Describe air
Definition
a mixture of gasses
Term
What is ozone?
Definition
3 oxygen atoms in a v formation. Found in the stratosphere
Term
What is the lowest layer in the atmosphere?
Definition
Troposphere
Term
Most weather occurs in what layer?
Definition
Troposphere
Term
What is kinetinc energy?
Definition
Energy of motion
Term
What causes heat to move from one place to another?
Definition
Differences in heat.
Term
What is the greenhouse effect?
Definition
Heating of the Earth's surface from solar radiation.
Term
Electromagnetic Radiation
Definition
Heat that does not require a medium to move; heat from a fire or oven
Term
Scattering
Definition
light and energy bounce off a surface and go everywhere
Term
Which gets hotter quicker: water or land?
Definition
land
Term
Which gets colder quicker: land or water?
Definition
land
Term
What do clouds do to sunlight?
Definition
reflect it
Term
How much nitrogen is in the atmosphere?
Definition
78%
Term
How much oxygen is in the atmosphere?
Definition
21%
Term
How is the atmosphere divided into layers?
Definition
Temperature
Term
What could happen to energy when radiation strikes an object?
Definition
It could reflect, absorb or pass through it.
Term
What are the natural air pollutants?
Definition
Pollen, spores, ash, smoke, dust and salt particles
Term
What are the main air pollutants?
Definition
CO2, soot, car exhast, and acid rain
Term
What are the effects of acid rain?
Definition
Kills trees, breaks down buildings and kills fish
Term
How are CFCs harmful to the ozone layer?
Definition
They attack and destroy ozone
Term
What did the Montreal Protocol do?
Definition
Stopped manufacture of products with CFCs
Term
How is an inversion layer harmful to humans?
Definition
It traps smog; smog=not good for health.
Term
What is weather?
Definition
Certain state of the atmosphere at any given time
Term
What is climate?
Definition
Long term weather in a region
Term
What is conduction?
Definition
Heat that travels through touch
Term
What is convection?
Definition
Heat that is transferred through a liquid.
Term
What is radiation?
Definition
Heat that is transferred as electromagnetic waves without a medium of travel
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