Plate Tectonics 2020

Plate Tectonics 2020

6th Grade

22 Qs

quiz-placeholder

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Plate Tectonics 2020

Plate Tectonics 2020

Assessment

Quiz

Other, Science

6th Grade

Medium

Created by

Mary Poarch

Used 7+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most geologists rejected Alfred Wegener's idea of continental drift because

they were afraid of a new idea.

Wegener was interested in what Earth was like millions of years ago.

Wegener used several different types of evidence to support his hypothesis.

Wegener could not identify a force that could move the continents.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

gravity.

Earth's magnetic field.

convection currents in the asthenosphere.

subduction.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Pangaea?

the name of the supercontinent that existed a million years ago.

another name for continental drift.

the name of a German scientist.

the name of an ancient fossil that existed a hundred thousand years ago.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The theory of ___________ was that all the continents were once joined as a single super-continent and have since drifted apart.

subduction

volcanic activity

continental drift

seafloor spreading

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The geological theory that states that pieces of Earth's lithosphere are in constant, slow motion is the theory of

subduction

deep-sea trenches

plate tectonics

seafloor spreading

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is happening in this diagram?

Two continental plates are diverging.

The continental plates are creating a rift valley.

Two continental plates are converging.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe what happens at a divergent boundary under the ocean.

Convergent and transform boundaries form there.

Oceanic crust subducts and a deep-sea trench forms.

The crust is folded to form mountains.

Seafloor spreading creates new land as magma rises.

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