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Seafloor Spreading

Authored by Daniel Bixler

Science

9th - 12th Grade

NGSS covered

Seafloor Spreading
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is created at the location of the mid-oceanic ridge?

Oceanic trench

New oceanic crust

Continental crust

Folded mountains

Tags

NGSS.MS-ESS2-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the process by which new oceanic crust is formed at mid-ocean ridges and spreads outwards?

Paleomagnetism

Magnetic reversal

Isochron

Seafloor spreading

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What instrument is used to measure the strength and direction of magnetic fields?

Seafloor spreading

Isochron

Paleomagnetism

Magnetometer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for a line on a map that connects points of the same age formed at the mid-ocean ridges?

Magnetometer

Paleomagnetism

Seafloor spreading

Isochron

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the common belief about the oceanic crust before the 1940s and 1950s?

It was believed to be constantly changing

It was believed to be younger than the continental crust

It was believed to be unchanging and much older than the continental crust

It was believed to be the same age as the continental crust

Tags

NGSS.MS-ESS2-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What technological advancements in the 1940s and 1950s changed the perception of the ocean floor and crust?

Television

Sonar technology

Satellite imagery

Computers

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What geological feature is formed at the boundary where two sections of oceanic crust are moving apart?

Trench

Mid-ocean ridge

Continental crust

Rift valley

Tags

NGSS.MS-ESS2-3

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