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Study Guide
climate change & oceans
Use this diagram to answer 1-3
__________1. Why would point A have the warmest climate?
a. the majority of the sun’s rays are absorbed at point A
b. the sun’s rays are nearly perpendicular to point A
c. more of the sun’s rays hit point A than any other place on Earth.
d. point A is closer to the sun than any other point.
__________2. What zone is point B located in?
a. the tropics zone
b. the temperate zone
c. the moderate zone
d. the polar zone
__________3. What zone is point C located in?
a. the tropics zone
b. the temperate zone
c. the moderate zone
d. the polar zone
__________4. A scientist wants to update data on the climate normal for Dearborn, Michigan. If he starts keeping weather
records in 2008, what year will be the soonest that the scientist can claim the collected data as new climate normal?
a. 2028
b. 2033
c. 2038
d. 2043
__________5. As the Earth revolves and the North Pole tilts towards the Sun, what season would the southern hemisphere
experience?
a. winter
b. spring
c. summer
d. fall
__________6. Which normal phenomena will, over the next 13,00 years, gradually causes the Northern Hemisphere to
experience summer during today’s current winter?
a. solar activity
b. Earth’s orbit
c. Earth’s tilt
d. Earth’s wobble
__________7. In addition to average weather conditions, climatological data also describes annual variations and fluctuations of
temperature, precipitation, ________________, and other variables.
a. cloud height
b. wind speed
c. ocean temperatures
d. soil moisture
__________8. The burning of fossil fuels release large amounts of _______ into the atmosphere, which contributes to global
warming.
a. carbon monoxide
b. calcium carbonate
c. carbon dioxide
d. sulfur dioxide
__________9. Types of climate data include annual variations in temperatures, precipitation and ____________________.
a. air pollution
b. water cycle
c. wind
d. topography
_________10. Two climates that are at the same latitude may be different because of _______________.
a. bodies of water
b. distance from the poles
c. soil type
d. Earth’s magnetic field
_________11. The climate zone that receives the least solar radiation and has the coldest climate is the _______________
a. polar zone
b. tropical zone
c. equatorial zone
d. warmer and wetter
_________12. Which ocean location would have the lowest amount of salinity?
a. equatorial regions
b. subtropical ocean regions
c. polar regions
d. estuaries
_________13. Which ocean location would have the highest amount of salinity?
a. equatorial regions
b. subtropical ocean regions
c. polar regions
d. estuaries
_________14. As surface water moves away from the California coast, what brings deep water up to replace the surface water?
a. gyers
b. upwelling
c. surface currents
d. density currents
_________15. After volcanism created Earth’s atmosphere, what happened next to lead to the formation of oceans?
a. Earth’s crust cooled
b. ice caps melted
c. meteorite strikes stopped
d. carbon dioxide and other gases formed in the crust
_________16. Which of the following affects the density of seawater?
a. salinity
b. melting point
c. hydrogen bonds
d. breakers
_________17. What is the average surface temperature of the ocean?
a. -2oC (28oF)
b. 2oC (36oF)
c. 30oC (86oF)
d. 15oC (59oF)
_________18. How does the formation of sea ice raise the density of nearby water?
a. the water is chilled under the forming water
b. salt ions are concentrated in the water under the ice
c. salty water migrates toward the forming ice
d. the growing ice sheet puts downward pressure on the water
_________19. Which if the following is not true of global sea levels?
a. global sea level can rise in response to the melting of glaciers
b. tectonic forces cannot affect global sea level
c. average global sea level is rising today by 1 to 2 mm per year
d. during an ice age, global sea levels drop
_________20. During periods of increased global temperatures, which of the following is most likely to occur?
a. a decrease in atmospheric carbon dioxide
b. an increase in atmospheric carbon dioxide
c. a decrease in earthquakes
d. an increase in earthquakes
_________21. The gas that is most responsible for the greenhouse effect of Earth is
a. oxygen
b. nitrogen
c. carbon dioxide
d. ozone
_________22. Which of the following summarizes the overall climate change of Earth over time?
a. Earth’s climate was unchanging until 50 years ago.
b. Earth’s climate has warmed and cooled at different times.
c. Earth’s climate has gotten consistently warmer over time
d. Earth’s climate does not change over time
_________23. Which of these could increase global temperatures?
a. increased use of fossil fuels
b. increased oxygen algal blooms
c. a decrease in earthquakes
d. increased numbers of animal species
24. Why do subtropical regions have the highest salinity? ______________________________________________________________________________
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25. Describe two specific things that humans do that contribute to the increase in CO2 in the atmosphere? _____________________
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26. Why are the oceans so important to people? 3 things (think in terms of them being a reservoir and in terms of climate
section 15.1) _________________________________________________________________________________________________________________________________
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