Atmosphere
climate change and the green house effect
Air masses and fronts
Weather, climate and water cycle.
Anything meteorology
100
A student reads the following statement. The presence of greenhouse gases in Earth’s atmosphere is important to Earth’s ability to support human life. How would Earth be different without greenhouse gases in its atmosphere
A More heat from solar radiation would escape into space.
B More solar radiation would be reflected back into space.
C More solar radiation would penetrate Earth’s crust and mantle.
D More heat from solar radiation would be stored in Earth’s core.
What is A More heat from solar radiation would escape into space?
100
Greenhouse gases in the atmosphere trap heat near Earth’s surface. Which of these is a greenhouse gas?
A nitrogen
B argon
C water vapor
D oxygen
What is C water vapor?
100
The arrows on the map represent the movement of air masses across North America.
Air mass 1 would MOST likely bring which weather conditions to a region?
A cool and dry
B warm and dry
C cool and humid
D warm and humid
What is A cool and dry?
100
Which has the greatest influence on wind speed?
A differences in the density of adjacent air masses
B differences in atmospheric nitrogen concentrations
C differences in atmospheric carbon dioxide concentrations
D differences in ozone levels in the stratosphere
What is A differences in the density of adjacent air masses?
100
Which of these has been controlled in an attempt to reduce the depletion of ozone in Earth’s atmosphere?
A methods of filtering gasoline
B use of chlorofluorocarbons (CFCs)
C methods of radioactive waste storage
D use of mercury (Hg) compounds
What is B use of chlorofluorocarbons (CFCs)?
200
Temperature increases as altitude increases in both the stratosphere and the thermosphere. What is the main difference between these two layers?
A The temperature increases in the stratosphere because of aurora borealis, and in the thermosphere because of the jet stream.
B The temperature increases in the stratosphere because of the jet stream, and in the thermosphere because of aurora borealis.
C The temperature increases in the stratosphere because of direct exposure to the sun, and in the thermosphere because ozone absorbs ultraviolet radiation.
D The temperature increases in the stratosphere because ozone absorbs ultraviolet radiation, and in the thermosphere because of direct exposure to the sun.
What is D The temperature increases in the stratosphere because ozone absorbs ultraviolet radiation, and in the thermosphere because of direct exposure to the sun?
200
Which gas accounts for the largest percentage of greenhouse gases in the atmosphere
A carbon monoxide
B carbon dioxide
C nitrous oxide
D water vapor
What is D water vapor?
200
Which is most often a result of a warm air mass moving over a cooler air mass?
A a decrease in wind speed
B a decrease in cloud cover
C an increase in precipitation
D an increase in air pressure
What is C an increase of precipitation?
200
The high winds and torrential rains of a hurricane can cause damage to cities and natural areas in its path. A hurricane is likely to gain the MOST strength when it travels over which of the following?
A cool ocean
B inland area
C salty ocean
D warm ocean
What is D warm ocean?
200
A city is experiencing heavy smog formed by motor vehicle exhaust. Which of these weather conditions contributes MOST to the formation of smog?
A dry line
B cold front
C tropical cyclone
D temperature inversion
What is D temperature inversion?
300
Auroras occur where Earth’s magnetosphere traps high-energy particles in which region of the atmosphere
A troposphere
B stratosphere
C thermosphere
D exosphere
What is C thermosphere?
300
Greenhouse gases in the atmosphere absorb infrared radiation from Earth’s surface and re-radiate some of it back to Earth. Which of these gases have the MOST significant impact on the temperature of Earth’s atmosphere?
A nitrogen and argon
B oxygen and sulfur dioxide
C carbon dioxide and water vapor
D hydrochloric acid and hydrogen
What is C carbon dioxide and water vapor?
300
A world map with lines of latitude and longitude is shown.
At which location would a tropical air mass MOST likely form?
A 20° N, 120° W
B 40° N, 70° W
C 60° S, 30° E
D 80° S, 10° E
What is A 20° N, 120° W?
300
The diagram illustrates an airflow pattern that occurs near the equator.
Rising moist air causes the frequent occurrence of which weather condition at Location X
A high surface pressure
B cloudy and rainy
C cool and dry
D low evaporation rate
What is B cloudy and rainy?
300
The air masses that interact to form hurricanes and cyclones rise and fall due to changes in air density and air pressure. Why do these storms also spin
A Ocean currents drag the air above them in circles.
B The Moon’s gravity pulls air currents with the tides.
C Low-pressure air pushes high-pressure air sideways.
D Earth’s rotation causes the air to turn as it moves north.
What is D Earth’s rotation causes the air to turn as it moves north?
400
Most ultraviolet (UV) rays are deflected or absorbed by the atmosphere, but some of these rays pass easily through the atmosphere and penetrate Earth’s surface.
Which substance in the atmosphere absorbs most of the ultraviolet rays?
A chlorofluorocarbon
B ozone
C nitrogen
D water
What is B ozone?
400
The following table identifies primary gases released by three active volcanoes.
These data allow scientists to use a volcano as a model for which system?
A sources for compounds in Earth’s early atmosphere
B sources for compounds in atmospheres on other planets
C chemical requirements of early plants on Earth
D chemical makeup of magma on other planets
What is A sources for compounds in Earth’s early atmosphere?
400
The average yearly rainfall for Miami, Florida is about 58 inches. During the year, Miami goes through a dry period where it receives very little rainfall. Which factor is MOST likely responsible for the dry period
A cold air moving in from the north
B distance from the Gulf Stream current
C location of latitude north of the equator
D warm air moving in from the Atlantic Ocean
What is A cold air moving in from the north?
400
High-pressure systems stop air from rising into the colder regions of the atmosphere where water can condense. What will MOST likely result if a high-pressure system remains in an area for a long period of time?
A fog
B rain
C drought
D tornado
what is C drought?
400
A seven-day forecast is shown below. Temperatures are in degrees Fahrenheit.
The drama club is choosing a day for an outdoor fundraising performance. According to the forecast, which of these days is likely to be MOST comfortable (with moderate temperatures, no precipitation, and low wind) to attract the largest audience to the performance?
A Wednesday
B Thursday
C Friday
D Saturday
What is C Friday?
500
The stratosphere contains ozone 
which interacts with the ultraviolet radiation that reaches Earth from the Sun. How does the action of ozone in the stratosphere affect Earth
A Ozone is essential for living organisms to breathe.
B Ozone maintains the magnetic field around Earth.
C Ozone stores heat to be transferred to the surface of Earth.
D Ozone removes electromagnetic radiation that is harmful to living things.
What is D Ozone removes electromagnetic radiation that is harmful to living things?
500
Which statement BEST explains why the force of a hurricane diminishes as the hurricane moves over land
A A high-pressure area develops.
B The sea level rises on the coast.
C The winds start to spin clockwise.
D The supply of warm, moist air decreases.
What is D The supply of warm, moist air decreases?
500
Convection currents are formed in the atmosphere when cold air pushes warm air upward.
Which property of the air is MOST responsible for the formation of convection currents?
A chemical composition
B thermal conductivity
C density differences
D specific heat
What is C density difference?
500
During the day the island heats faster than the water.
This uneven heating creates a pressure gradient and causes the wind to blow. Which of these describes how the wind blows?
A The wind blows toward the land in a circular path.
B The wind blows away from the land in a circular path.
C The wind blows horizontally from the center of the island to the water.
D The wind blows horizontally from the water to the center of the island.
What is A The wind blows toward the land in a circular path?
500
The chart shows the heat index, which uses the relationship between air temperature and relative humidity to predict how hot a day feels. For example, a day with an air temperature of 85°F will feel cooler at 0% relative humidity. It will feel much hotter at 100% relative humidity.
Kerry is watching a softball game on a hot day. To her, the air temperature feels like it’s about 100°F. However, she sees a bank thermometer that says it’s only 90°F. What is the MOST likely relative humidity at the game?
A 40%
B 60%
C 80%
D 100%
What is B 60%?