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Module 6 - Seafloor Spreading

Authored by Marisol Perez

Science

11th Grade

NGSS covered

Used 24+ times

Module 6 - Seafloor Spreading
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following supports the theory of seafloor spreading?

Correlation of rock layers

Continuous mountain chains

Crustal age

Magnetic reversal

Tags

NGSS.MS-ESS2-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why were magnetic patterns found on the ocean floor puzzling?

All rocks were magnetic

They showed alternating bands of normal and reversed polarity

No rocks were magnetic

They did not show alternating bands of normal and reversed polarity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

By mapping rocks on the sea floor using sonar

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

By observing eruptions of molten materials on the sea floor

By measuring how fast sea floor spreading occurs

Tags

NGSS.MS-ESS1-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does scientist thought about the seafloor before they had data from echo sounders?

The seafloor is broken up by trenches

The seafloor is steeply sloping

The seafloor is completely flat

The seafloor is covered with ridges

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What features of seafloor mountain ranges on the ocean floor upwells magma and formed new ocean floor?

Mid-ocean ridge

Continental slope

Abyssal plain

Trench

Tags

NGSS.MS-ESS2-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What technology did scientist used in the mid-1900s to map the mid-ocean ridge?

Magnetometer

Deep sea diving

Sonar

Submarine

Tags

NGSS.MS-PS4-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not included in the group?

Magnetic strip

Mid-ocean ridge

Drilling sample

Molten materials

Tags

NGSS.MS-ESS2-3

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