Seafloor spreading and subduction Quiz

The youngest rocks on the ocean floor are located ____.

• near continents

• at mid-ocean ridges

• far from mid-ocean ridges

• near Asia

Tags

NGSS.MS-ESS2-3

Seafloor spreading occurs because ____.

• new material is being added to the asthenosphere

• earthquakes break apart the ocean floor

• sediments accumulate at the area of spreading

• molten material beneath Earth's crust rises to the surface

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

A vast, underwater mountain chain is called a(n) _________.

• ocean ridge

• oceanic crust

• deep-sea trench

• ocean floor sediment

What particular event is shown on the picture?

• mid-ocean ridge

• subduction zone

• transform boundary

• divergent boundary

What technology did scientists use in the mid-1900s to map the mid-ocean ridge?

• satellites

• submarines

• deep-sea diving

• sonar

Tags

NGSS.MS-PS4-2

In sea-floor spreading, molten material rises from the mantle and erupts

• in deep-ocean trenches

• along the edges of all the continents

• along mid-ocean ridges

• at the north and south plate

Tags

NGSS.MS-ESS2-1

The process by which the ocean floor sinks beneath an deep-ocean trench and back into the mantle is known as

• continental drift

• subduction

• conduction

• convection

Tags

NGSS.MS-ESS2-3

The process of ___________ continually adds new crust to the ocean floor along both sides of the mid-ocean ridge.

• plate tectonics

• seafloor spreading

• continental drift

• convection

Tags

NGSS.MS-ESS2-3

What kind of plate boundary is shown on the picture?

• divergent

• convergent

• transform

• trench

Tags

NGSS.MS-ESS2-3

The scientist credited with sea-floor spreading is _________

• Alfred Wegener, a German scientist

• Harry Hess, an American geologist

• J.Tuzo Wilson, a Canadian scientist

• Kenn Bulaso, a Filipino educator

Tags

NGSS.HS-ESS1-5