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Plate Tectonics

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7th Grade

Used 7+ times

Plate Tectonics
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Wegener’s hypothesis of continental drift,

Earth’s surface is made up of seven major landmasses.

the continents do not move.

Earth is slowly cooling and shrinking.

the continents were once joined together in a single landmass.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Wegener noticed that mountain ranges on the continents of South America and _____________________ line up.

North America

Asia

Africa

Australia

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Pangaea?

the name of a German scientist

the name of the supercontinent that existed millions of years ago

another name for continental drift

the name of an ancient fossil

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As a continent moves towards the equator, its climate gets

icier

colder

warmer

doesn't change

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In sea-floor spreading, molten material rises from the mantle and erupts

In sea-floor spreading, molten material rises from the mantle and erupts

along mid-ocean ridges.

in deep-ocean trenches.

in deep-ocean trenches.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Old oceanic crust is more dense than new oceanic crust because it is

hot.

moving toward a deep-ocean trench.

cool.

closer to the mid-ocean ridge.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most geologists think that the movement of Earth’s plates is caused by

conductioin

earthquakes

convection currents in the mantle

Earth's magnetic field

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