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COLLIDING CONTINENTS
1. Which is not one of the 7
2.
3.
4.
5.
6.
continents?
a. Asia
b. Australia
c. Africa
d. USA
Why is granite less dense than
other rock in Earth’s mantle?
a. It is made of lighter metals.
b. It is made of heavier metals.
Most scientists believe that the
water that formed our oceans
came from what?
a. Stars
b. Meteors
c. The moon
d. The sun
What continent is believed to be
the site of the earliest giant
continental landmass on Earth?
a. Asia
b. Africa
c. Australia
d. New Zealand
What type of rock formed the first
continents?
a. Zircon
b. Granite
c. Diamond
d. Uranium
As radioactive uranium decays it
turns into what stable element?
a. Granite
b. Poison cookies
c. Lead
d. Zircon
7. How old was Earth believed to be
when the first early, relatively
stable landmasses formed?
a. 105 million
b. 1 million
c. 15 million
d. 150 million
8. 6 billion years ago, the Earth is
created from what?
a. The debris left over from the
formation of Pluto.
b. The debris left over from the
formation of the moon.
c. The debris left over from the
formation of the sun.
d. The debris left over from the
formation of One Direction.
9. The ‘giant jigsaw puzzle’ of
interlocking pieces that make up
Earth’s crust are called what?
a. Subduction zones
b. Pangaea
c. China
d. Tectonic plates
10. Evidence for the theory of
continental drift was proposed in
1912 by what German Scientist?
a. Alfred Wegener
b. Albert Einstein
c. Alfred Vagen
d. Albert Wegener
11. When Wegener first proposed his
theory of continental drift, why
were his ideas rejected?
a. The idea that the continents
moved was considered
preposterous.
b. His ideas were not rejected.
They were accepted.
COLLIDING CONTINENTS
12. Heat escaping from the _____
13.
14.
15.
16.
17.
creates convection currents in the
next layer of the Earth, the ______.
a. Core/mantle
b. Mantle/core
How many tectonic plates can be
identified on Earth today?
a. 12
b. 11
c. 10
d. 9
The world’s last super continent is
known as
a. Gondwana
b. Pangaea
c. Rodinia
d. Pannotis
During the break-up of Pangaea,
South America split off from ?
a. Australia
b. Asia
c. Africa
d. South America
During the break-up of Pangaea,
North America split off from ?
a. Asia
b. Europe
c. Africa
d. South America
During the break-up of Pangaea,
Australia split off from ?
a. Antarctica
b. Asia
c. Europe
d. South America
18. As plates move across the Earth,
crust and rock is dragged back
down into what zones?
a. Production zones
b. Induction zones
c. Subtraction zones
d. Subduction zones
19. The formation of the Alps is the
direct result of collision between
what two continents?
a. Africa and Europe
b. Asia and Europe
c. Africa and Asia
d. Africa and Australia