METR 1102 Exam Questions And Answers
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Weather - ANS The condition of Earth's atmosphere at a particular time and place.
Climate - ANS Overall weather in an area over a long period of time
What is Earth's atmosphere composed of? - ANS Nitrogen, oxygen, argon, water vapor,
carbon dioxide
Difference between constant and variable gases and the dominant ones - ANS Constant:
Always found in same proportion: nitrogen, oxegen, argon
Variable: Vary in amount: water vapor, carbon dioxide
Which variable gas is the most important for 'weather' and why? - ANS Water vapor, in
controls everything
What have CO2 concentrations done over the past 150 years? - ANS Increased
What is ozone? Where is it found? What does it do that benefits us? - ANS Good ozone is in
the stratosphere and blocks UV radiation.
Bad ozone is at ground level and is pollution
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What is aerosol and know some examples - ANS Air particles like dust and pollen
Understand the key properties of the vertical structure of the atmosphere: Density, Pressure,
Temp - ANS Density decreases with height
Pressure decreases with height
Temperature decreases with height in troposphere then increases in stratosphere.
What is a geostationary satellite? Know the difference between: visible, IR, and Water Vapor
satellite - ANS Geostationary: One that stay above the same point of the Earth.
Visible: Shows light on earth
IR: Shows temp
Water Vapor: Shows water vapor
Potential vs. Kinetic Energy. How is kinetic energy defined in the atmosphere? -
ANS Potential: stored energy
Kinetic: energy of motion
Temperature is the measure of kinetic energy
Know the difference between warm and cold air - ANS Warm air is faster and less dense
What are the main differences between Fahrenheit, Celsius, and Kelvin? - ANS Fahrenheit:
Used in US
Celsius: Used everywhere else
Kelvin: Used by scientists
What are heat capacity and specific heat? - ANS Heat capacity: How much energy an object
can hold
Specific heat: The heat required to raise a temp of a substance by a given amount