Plate Tectonics

Wegener’s continental drift hypothesis stated that all the continents once joined together to form

• two major supercontinents.

• two major supercontinents and three smaller continents

• one major supercontinent

• three major supercontinents.

Tags

NGSS.MS-ESS2-3

            What kind of plate boundary occurs where two plates grind past each other without destroying the lithosphere?

• divergent boundary

• convergent boundary

• transform fault boundary

• transitional boundary

Which of the following is a geographic example of a transform fault boundry?

• the East African Rift valley

• the Mid-Atlantic Ridge

• the San Andreas Fault

• the Mariana Arc

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

The hypothesis of continental drift is used to explain an event that happened

• two million years ago

• two hundred million years ago.

• two billion years ago.

• two hundred billion years ago.

Tags

NGSS.MS-ESS2-3

What evidence supports Wegener’s hypothesis?

• The same mammal species exist on different continents.

• Major rivers on different continents match.

• Land bridges still exist that connect major continents

• Fossils of the same organism have been found on different continents.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Evidence about ancient climates indicates that

• glacial ice once covered much of what is now India and Australia.

• the countries found in the Northern Hemisphere today were once centered over the South Pole.

• no continents occupied the Northern Hemisphere

• the countries found in the Southern Hemisphere today were once centered over the North Pole.

Tags

NGSS.MS-ESS2-3

Which of the following results when divergence occurs within the oceanic lithosphere?

• seafloor spreading

• a rift valley

• a volcano chain

• a mountain range

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What forms when one oceanic plate is forced beneath another plate?

• an ocean basin

• ocean ridges

• a subduction zone

• a rift valley

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

Which of the following does NOT occur at a subduction zone?

• The leading edges of both plates are bent downward.

• Oceanic crust is pushed down into the mantle.

• One oceanic plate moves into another oceanic plate.

• One continental plate moves into an oceanic plate.

Tags

NGSS.MS-ESS2-1

Which of the following is NOT evidence of sea-floor spreading?

• the alternation of polarity in segments of the ocean floor

• the relationship between earthquakes and plate boundaries

• analysis of seafloor sediments

• the distribution of ice sheets across the planet

Tags

NGSS.MS-ESS2-3