Earth's Plates

What major events cause islands to form in the Pacific Ocean?

• tsunamis

• severe storms

• volcanic eruptions

• erosion

Tags

NGSS.MS-ESS2-2

Which of the following has the greatest direct influence on movement of the lithosphere?

• the Sun

• the Moon

• Earth's core

• Earth's mantle

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The movement of crustal plates results from circulating currents in material beneath the crust of the Earth. Which best describes the material which moves the crustal plates?

• hot water

• molten rock

• liquid metal

• solid iron

Tags

NGSS.MS-ESS2-3

The continental crust floats on top of the mantle because the crust is

• less dense than the mantle

• made of liquid material

• made of oxygen which is a light element

• separated by the mantle by a layer of water

The diagram shows a cross section of a tectonic plate boundary. Which terms best describes features 1,2 and 3?

• 1 continental crust, 2 mantle, 3 oceanic crust

• 1 mantle, 2 oceanic crust, 3 continental crust

• 1 oceanic crust, 2 mantle, 3 continental crust

• 1 continental crust, 2 oceanic crust, 3 mantle

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

A difference between the the oceanic crust and the continental crust is that the oceanic crust is

• composed chiefly of sedimentary rocks

• more dense than the continental crust

• older than the continental crust

• continually being created

Which event most likely takes place as the result of crustal movement along transform boundaries?

• earthquakes

• volcanic activity

• mountain building

• trenches

Tags

NGSS.MS-ESS3-2

The diagram below shows the development of an ocean. The process results from

• the ocean forcing the plates apart slowly

• the ocean forcing the plates apart rapidly

• convection in the mantle dragging apart the plats slowly

• convection in the mantle dragging the apart the plates rapidly

Tags

NGSS.MS-ESS2-2