UNIT PRACTICE TEST: SOL 6.7 WEATHER

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Student Name (First & Last): *

1. What percent of the Sun's energy is absorbed by the Earth's surface? *

1 point

30%

25%

19%

51%

2. The Ozone Layer is made of oxygen elements that protect living things on Earth's surface from UV radiation. What is the chemical formula for ozone? *

1 point

3. 99% of the Earth's atmosphere is composed of which two gases? *

1 point

nitrogen

oxygen

carbon dioxide

water vapor

Required

4. Which below describes the measure of how much water vapor is in the air? *

1 point

air pressure

thermodynamics

humidity

air composition

5. Which instrument is used to measure wind speed and direction? *

1 point

Option 1

Option 2

Option 3

Option 4

6. What percentage of the Sun's energy is reflected back into space? *

1 point

19%

25%

51%

30%

7. Which below are true in the diagram. *

1 point

point A is cooler in temperature than point B

point C is higher pressure than point D

point E is a land breeze

this diagram shows an example of a convection current

Required

8. How does the sun begin the process of cloud formation? *

1 point

sunlight causes warm air to sink to the surface

sunlight warms the surface and evaporates the surface water

sunlight warms the evaporated water and causes it to condense to form a cloud

sunlight causes the water to cool, rise, and build up in the lower atmosphere

9. Which flat layered cloud forms in the lower atmosphere when the temperature and dew point are close together? *

1 point

cumulus cloud

cirrus cloud

stratus cloud

all of these

10. What are the three ways that energy (heat) can be transferred throughout the Earth's atmosphere? *

1 point

compression

conduction

expansion

radiation

reduction

convection

Required

11. What cloud is usually white, fluffy and low in the troposphere? *

1 point

cumulus cloud

cirrus cloud

nimbostratus cloud

alto cumulus cloud

12. The boundary that separates two different air masses is called a __________. *

1 point

hurricane

ocean current

convection current

front

13. Which below is an example of convection? *

1 point

warm air becomes cooler

cold air gets warmer

warm air sinks and cool air rises

cold air sinks and warm air rises

14. The diagram below shows a ___________ forming. This may create weather conditions such as ________________. *

1 point

warm front

cold front

stationary front

occluded front

steady rain or snow

thunderstorms

days or precipitation

Required

15. What type of front is headed toward San Francisco, New York, & Washington D.C.?

1 point

warm front

stationary front

cold front

occluded front

Clear selection

16. What type of front has just passed Little Rock and Dallas? *

1 point

warm front

cold front

stationary front

occluded front

17. Which city has the highest temperatures? *

1 point

Atlanta

Houston

Miami

Washington D.C.

18. _____________are no longer allowed to be in products because they destroy the Ozone Layer. *

1 point

carbon dioxide

radiation

Chloroflourocarbons (CFCs)

Greenhouse Gases

19. Air is a mixture of ________. *

1 point

elements and compounds in the gas phase

only water vapor and oxygen

solar energy and water vapor

only water vapor, oxygen, and solar energy

20. As altitude increase, what happens to air pressure and air density? *

1 point

the both decrease

they stay the same

they both increase

one increases and the other decreases

21. The force that air exerts on all objects is called ________________. *

1 point

density

air pressure

altitude

infrared radiation

22. Air pressure is measured with a ___________. *

1 point

thermometer

psychrometer

anemometer

barometer

23. The layers of the atmosphere are separated by changes in __________________. *

1 point

air pressure

characteristics

density

temperature

24. Which statement(s) are true about the layers of the atmosphere? (choose all that apply) *

1 point

The majority of weather happen in the troposphere

the stratosphere has less air pressure than the thermosphere

the temperature in the troposphere decreases with altitude

the highest amount of air pressure is in the troposphere

the air pressure in the mesosphere is higher than the stratosphere

The prefix "tropo" means changing

meteors burn up in the mesosphere

a thin layer of O2 is contained in the stratosphere called the Ozone Layer

Ions contacting solar radiation create the Auroras in the Northern and Southern Hemisphere

80% of the atmosphere in in the thermosphere

Required

25. Cumulonimbus clouds are often associated with ________________ *

1 point

snow

cold fronts

warm fronts

light rain

26. A storm originates over warm tropical water and is associated with wind speeds of a least 74 mph. What is the name of this type of storm? *

1 point

thunderstorm

hurricane

winter storm

tornado

27. Where would a hurricanes most likely originate? *

1 point

28. In the middle of the U.S., the air masses come together and often form a _______________. *

1 point

cyclone

hurricane

tornado

storm surge

29. The circle graph shows greenhouse gas emissions by sector. What human activity causes the LEAST amount of greenhouse gas pollution? *

1 point

transportation

electricity

industry

agriculture

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