In the United States, lightning occurs most often in Florida. Which of these is a cause of lightning?
A. Discharge between rain clouds and Earth
100
13. Measurements of carbon dioxide concentrations in the air taken over the past decade have shown a:
D. Dramatic increase
100
When air is heated, it will most likely:
B. Expand and rise
100
what is coriolis effect
make the air curve
200
5. The process by which water vapor in the atmosphere cools and becomes a liquid is called
C. Condensation
200
Which condition is associated with most warm fronts?
D. Cloud formations bringing precipitation
200
4. Which trait is common in gases that contribute to Earth’s greenhouse effect?
A. The ability to trap heat
200
The process by which water vapor in the atmosphere cools and becomes a liquid is called:
C. Condensation
200
What causes changes in weather
A. Air masses interact
300
What is the process by which a liquid changes to a gas?
A. Evaporation
300
Humidity is?
The amount of water vapor in the air
300
14. Many countries depend on the energy from fossil fuels. Some scientists suggest using renewable sources of energy instead. Why would scientists most likely suggest using renewable sources energy?
A. They are safer for the environment
300
What does an anemometer measure?
C. Wind speed
300
which is the cause of the change of season?
The tilt of Earth's axis
400
19. What is the term for any form of water that falls from the clouds?
A. Precipitation
400
18. What is the process by which the earth’s atmosphere absorbs heat?
B. Greenhouse effect
400
In the 1970s scientists began investigating the chemical reactions that caused the destruction of ozone in the upper atmosphere. Which statement best describes a direct result of their research on society and on the environment?
Alternatives to ozone-depleting aerosols were invented
400
The Coriolis Effect deflects wind direction. How does this process impact ocean surface currents?
A. The wind deflects the currents to the right in the Northern Hemisphere and to the left in the Southern Hemisphere
400
Gases in the atmosphere absorb and reradiate thermal energy, causing the
D. Greenhouse Effect
500
Why does the equator experience high temperatures year round?
D. The sun’s rays hit it directly
500
How does a warm front form?
C. Warm air moves over cold air and replaces it
500
10. Toxic chemicals in mobile phone batteries can pollute the environment when the phones are thrown away in unlined landfills. Which of the following best explains why people continue to use mobile phones even though the phones can have a negative impact on the environment?
D. Mobile phones make communication more convenient
500
12. A strong wind from the north blows in a straight south direction. However, to an observer, the wind appears to be moving to the southwest. What account for this shift in wind direction?