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Plate Tectonics Final

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

Plate Tectonics Final
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At which boundary is crust neither consumed or created?

divergent

convergent

transform

oceanic

2.

CATEGORIZE QUESTION

1 min • 6 pts

Organize these options into the right categories

Groups:

(a) Convergent boundary

,

(b) Divergent boundary

,

(c) Transform boundary

rift valley

mid-ocean ridge

trench

mountains

only earthquakes

volcanoes

Tags

NGSS.MS-ESS2-2

3.

CATEGORIZE QUESTION

1 min • 6 pts

Media Image

Place each label in the correct category.

Groups:

(a) Continental Crust

,

(b) Oceanic Crust

younger

scarcely floats

less dense

recycles

thicker

older

Tags

NGSS.MS-ESS2-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

along the edges of all the continents

along mid-ocean ridges

in deep-ocean trenches

at the north and south poles

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How did scientists discover that rocks farther away from the mid-ocean ridge were older than those near it?

by observing eruptions of molten material on the sea floor

by mapping rocks on the sea floor using sonar

by determining the age of rock samples obtained by drilling on the sea floor

by measuring how fast sea-floor spreading occurs

Tags

NGSS.MS-ESS2-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What did scientists notice when they observed the mid-ocean ridge?

a convergent boundary

pillow-shaped rocks formed by the rapid hardening of molten material

the movement of Earth's plates

convection currents

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as...

convection

continental drift

subduction

conduction

Tags

NGSS.MS-ESS2-3

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