Plate Tectonics

What was Wegener's hypothesis called?

• The Pangea 
• Moving Continents 
• Continental Drift

• Techtonic Plates

According to Wegener's hypothesis of continental drift,

• Earth's surface is made up of seven major landmasses

• The continents were once joined together in a single landmass

• Earth is slowly cooling and shrinking

• the continents DO NOT move

Tags

NGSS.MS-ESS2-3

What type of evidence was NOT used by Alfred Wegener to support his continental drift theory?

• evidence from landforms

• evidence from human remains

• evidence from fossils

• evidence from climate

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which type of crust is thinner and more dense?

• Continental
• Asthenosphere
• Oceanic
• Byers

Tags

NGSS.MS-ESS2-3

Scientists hypothesize that a super continent existed 200 million years ago.  This continent is called

• America
• Super Earth
• Pangea
• Eurasia

Tags

NGSS.MS-ESS2-3

Which of the following is the best evidence that Earth's continents were once in vastly different positions than they are today?

• Penguins are found only in the Southern hemisphere.

• Fossils of tropical plants are found in Antarctica.

• Volcanoes encircle the Pacific Ocean.

• Major rivers form deltas from continental erosion.

Tags

NGSS.MS-ESS2-3

The movement of metals within the earth's outer core create a _______ that is detectable on the earth's surface using a compass

• Gravitational Pull
• Volcanic Eruption
• Magnetic field
• Convection Current

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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.

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NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

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-ESS2-2

Below is a picture of sea-floor spreading. How are the ocean crusts moving?

• Converging

• Diverging

• Sliding

• No movement

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2