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Chapters 17 & 19 Study Guide
Weather
16
Science
9th Grade
02/14/2013

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Cards

Term
Weather-Events occurring now; climate-weather that occurs year long.
Definition
How does weather and climate differ?
Term
Nitrogen-78%, Oxygen-21%, other gases-2%
Definition
List the items found in the atmosphere along with its percentage.
Term
Primary Pollutant-pollutants that enter the atmosphere from a visible source, secondary pollutant-pollutants that enter the atmosphere through other methods.
Definition
Explain the difference between primary pollutants and secondary pollutants.Give examples of each.
Term
Ozone is in the stratosphere-purpose is to lock in heat.
Definition
Where is ozone found? what is its purpose?
Term
Pressure and temperature decreases
Definition
What happens to pressure and temperature as you increase in altitude?
Term
Rotation-spinning on its axis (day and night) and revolution-revolving around a body (265.25 days)
Definition
Explain the differences between rotation and revolution.
Term
Troposphere, Stratosphere, Mesosphere, Thermosphere
Definition
List the layers of the atmosphere in order from the earth's surface upward.
Term
Solstice-winter (shorter day and longer night), summer (longer day and shorter night), equinox-day and night are equal in length (fall and spring)
Definition
Explain the difference between solstice and equinox. List the dates for the spring and fall equinox as well as the summer and winter solstice.
Term
Conduction, Radiation, Convection
Definition
Differentiate between the three ways heat is transferred.
Term
Solar Radiation-50% is absorbed on earth, 20% is absorbed in clouds,30% is reflected off clouds
Definition
Explain the difference between reflection and scattering.
Term
Reflection- rays bouncing off clouds, scattering -rays are moving in all directions.
Definition
What happens to solar radiation?
Term
Land heats up quick and cools quickly, water heats up slowly and cools slowly, as you move up a mountain temperatures cool off, as you move up in altitude temperatures cool down, clouds help lock in the temperatures at night and reflect off radiation during the day.
Definition
List the ways temperature can vary on Earth.
Term
Land heats up quick and cools quickly, water heats up slowly and cools slowly.
Definition
How do temperatures vary from land to sea?
Term
Clouds help lock in the temperatures at night and reflect off radiation during the day.
Definition
What is albedo and how does it change from day to night?
Term
As you move up in altitude temperatures cool down.
Definition
How does altitude affect temperatures?
Term
Air pressure in a force
Definition
Explain air pressure.What unit do we measure pressure?
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