Seafloor Spreading

During Alfred Wegener’s time, most people thought the seafloor was ___________.

• gross

• flat

• full of shrimp

• scary

What technology allows people to "see" underwater?

• Sonar

• X-Ray Vision

• GPS

• Aquaman

Tags

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Which scientist mapped the 10,000 mile long Mid-Atlantic Ridge in 1952?

• James Cameron

• Marie Tharp

• Alfred Wegener

• Marie Antoinette

Tags

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Which scientist worked with Marie Tharp and helped map the Mid-Atlantic Ridge?

• Alfred Wegener

• Bruce Banner

• Harry Hess

• Bruce Hezeen

Tags

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Which scientist is credited with the theory of seafloor spreading?

• Alfred Wegener

• Harry Hess

• John Tuzo Wilson

• Stephen Hawking

Tags

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Which scientist was given credit for the name "seafloor spreading?"

• Robert Dietz

• John Tuzo Wilson

• Marie Tharp

• Mr. Beast

Tags

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What did Harry Hess believe about the movement of the continents?

• Continents double in size as the Earth gets larger.

• Continents plow through the ocean floor like a bulldozer.

• Continents move as a result of seafloor spreading.

• Continents eventually fall off a flat Earth.

Tags

NGSS.MS-ESS2-3

What is geology?

• The study of atmosphere, weather, and climate.

• The study of Kendrick Lamar's bussin beats.

• The study of space and the universe.

• The study of rocks, minerals, and the Earth.

Tags

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What are the two types of crust?

• Mantle / Oceanic

• Oceanic / Seafloor

• Basalt / Trench

• Oceanic / Continental

What is a mid-ocean ridge?

• Oceanic crust sinking underneath another crust

• Chain of undersea mountains caused by flowing magma

• A supercontinent caused by continental drift

• Another name for "tectonic plates."