Earth Science Flashcard

Front

The supercontinent in the continental drift theory was called ____.

Back

Pangaea

Front

What hypothesis states that the continents were once joined to form a single supercontinent?

Back

plate tectonics

Tags

NGSS.MS-ESS2-3

Front

Where does the mid-ocean ridge occur?

Back

Divergent boundary where sea floor spreading takes place

Front

What type of boundary occurs where two plates move together, causing one plate to descend into the mantle beneath the other plate?

Back

convergent boundary

Tags

NGSS.MS-ESS2-3

Front

A divergent boundary at two continental plates can result in a ____.
Options: rift valley, volcanic island arc, continental volcanic arc, subduction zone

Back

rift valley

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Front

What provided the most conclusive proof for continental drift?

Back

evidence of sea-floor spreading

Tags

NGSS.HS-ESS1-5

Front

Where are the youngest rocks on the ocean floor typically located?

Back

a mid-ocean ridge

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

Over what surface do lithospheric plates move?

Back

asthenosphere

Tags

NGSS.MS-ESS2-3

Front

Oceanic crust is ______________ than continental.

Back

more dense

Front

What do you expect to find at a mid-ocean ridge?

Back

relatively young rocks

Tags

NGSS.MS-ESS2-1