1 Which natural cause of climate change deals with changes to Earth's orbit around the Sun?
A) Eccentricity
B) Sun spots
C) Precession
D) Tilt angle
# 2 What happens to winter temperatures in the northern hemisphere if tilt angle decreases to 22º?
A) They get warmer
B) They get colder
C) They stay the same
# 3 How and why do temperatures change from low latitude to high latitudes?
A) Temperature increases because insolation increases
B) Temperature decreases because insolation increases
C) Temperature increases because insolation decreases
D) Temperature decreases because insolation decreases
#4 Which of the following regions would have the highest biodiversity?
A)High latitude polar regions
B) Tropical rain forests
C) Broadleaf deciduous forests
D) Sub tropical deserts
#5 What process in plants converts carbon dioxide and water to sugar and oxygen?
A) Photosynthesis
B) Respiration
C) Transpiration
D) Evaporation
# 6Which of the following represents a proxy record of long-term climate change?
A) Pollen
B) Oxygen isotopes
C) Tree rings
D) Lake varves
#7 Which of the following causes short-term climate fluctuations?
A)Variations in solar activity
B) Variations in Earth's axial tilt
C) Plate tectonics
D) Variations in Earth's orbit
#8 Which of the following is not a factor that influences global climate?
A) oceanic currents
B) the amount of solar radiation the earth receives
C) the albedo of the earth's surface
D) the composition of the gases in the atmosphere
E) all of the choices are factors that influence global climate
#9 Based on what you know about climate change and current climate conditions, predict what is presently happening to the masses of glaciers in the northern hemisphere.
A) Decreasing
B) Increasing
C) Not changing
#10 What are the cloud cover and atmospheric pressure conditions near the equator?
A) High pressure and sparse cloud cover
B) High pressure and dense cloud cover
C) Low pressure and dense cloud cover
D) Low pressure and sparse cloud cover
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