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WorksheetsReview of Ice Age Articles
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Which of the following factors was NOT mentioned to cause an ice age?
a)
Cool summers
b)
Continents near the poles
c)
Milankovitch cycles
d)
The split up of Pangea
2.
What is a Milankovitch Cycle?
a)
Another name for the Ocean Conveyor Belt
b)
Changes to Earth's orbit
c)
Changes to locations of the Earth's continents
3.
Are we currently in an Ice Age cycle?
a)
Yes
b)
No
4.
What did the formation of Panama and Central America affect over the past 5 million years?
a)
movement of global winds across the equator
b)
the cold ocean currents of the Pacific and Atlantic
c)
movement of warm currents between the Pacific and Atlantic
d)
the Milankovitch cycles
5.
Besides Central America, what other feature helped to put us in our recent Ice Age cycle?
a)
Red Sea forming
b)
formation of the Himalyas
c)
Antarctica over the South Pole
d)
Eruption of Yellowstone
6.
How many more glacial episodes are predicted due to the current ocean & continent arrangement?
a)
50
b)
none
c)
1,000
d)
5
7.
What is the cause of the current warming of our planet?
a)
An increase in the Gulf Stream
b)
Humans burning fossil fuels
c)
An increase in volcanic activity
d)
More landmass near the Equator
8.
What is happening to the North Atlantic because of global warming?
a)
Water is sinking more
b)
Water is becoming colder
c)
Water is becoming saltier
d)
Water is becoming "fresher"
9.
Who would feel the affects the most if the Gulf Stream stopped?
a)
People in Florida
b)
People in the Northern United States
c)
People in Northern Europe
d)
People in the Tropics
10.
What is the key to keeping the ocean conveyor belt moving?
a)
fresh water ice melt sinking at the poles
b)
surface currents not mixing with deep currents
c)
warm salty water rising at the equator
d)
cold, salty water sinking at the poles
11.
If the Greenland ice sheet melts, how high will sea level rise world wide?
a)
5 feet
b)
20 feet
c)
100 feet
d)
0 feet
12.
Which "spheres" of earth does the the mini-ice age article show connection between?
a)
the hydrosphere and atmosphere
b)
the biosphere and hydrosphere
c)
the atmosphere and geosphere
d)
ALL FOUR of Earth's spheres
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