Seafloor Spreading & Magnetic Reversals

Seafloor Spreading & Magnetic Reversals

6th Grade

13 Qs

quiz-placeholder

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Seafloor Spreading & Magnetic Reversals

Seafloor Spreading & Magnetic Reversals

Assessment

Quiz

Science

6th Grade

Medium

NGSS
MS-ESS2-3, MS-ESS2-1, MS-ESS1-4

+1

Standards-aligned

Created by

J B

Used 42+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Where would the oldest rock be found?

L
M
N
O

Tags

NGSS.MS-ESS1-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How is it possible for new crust to be formed without increasing the surface area of the Earth?

Crust is recycled in subduction zones at the same time it is created at mid-ocean ridges

New crust is underwater where it sinks

New crust breaks more easily than old crust

The oldest crust just breaks apart as the plates move

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

The average density of continental crust is 2.8 g/cm3 and the average density of oceanic crusts is 3.2 g/cm3. If these two plates came together, what would happen?

The two plates would push apart and form a rift zone.

The oceanic plate would rise up over the continental plate.

The oceanic plate would sink under the continental plate.

The two plates would meet head on and rise up to form mountains.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which of the following objects best represents the movement that occurs during sea-floor spreading?

Elevator
Conveyor belt
Rollercoaster
Hot air balloon

Tags

NGSS.MS-ESS2-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The OLDEST seafloor is located

closest to the mid-ocean ridge.

farthest from the mid-ocean ridge.

east of Hawaii

west of California

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following supports the theory of seafloor spreading?

Correlation of rock layers

Crustal slab pull

Magnetic reversals recorded in rocks

Continuous mountain chains

Tags

NGSS.MS-ESS2-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Seafloor spreading...

creates new oceanic crust

destroys or recycles crust

creates new continental crust

creates old crust

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

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