Dynamic Earth

______ - thin slush-like layer of the Earth found between the mantle and upper mantle layers of the Earth.

• asthenosphere

• lithosphere

• core

• crust

______ - Alfred Wegener’s hypothesis that all the continents were once connected in a single large landmass that broke apart.

• continental drift

• plate tectonics

• seafloor spreading

• subduction

______ - the Earth’s crust that lies beneath the ocean waters.

• seafloor

• continent

• mantle

• island

Tags

NGSS.MS-ESS2-3

______ - technology that uses sound to map the ocean floor.

• SONAR

• RADAR

• LIDAR

• GPS

Tags

NGSS.MS-PS4-2

______ - mountain ranges found on the ocean floor.

• mid-ocean ridges

• continental shelves

• abyssal plains

• seamounts

______ - deep underwater troughs on the seafloor.

• ocean trenches

• mid-ocean ridges

• continental shelves

• seamounts

Tags

NGSS.MS-ESS2-3

______ - the process by which new oceanic crust continuously forms along mid-ocean ridges and is destroyed at ocean trenches.

• seafloor spreading

• continental drift

• subduction

• plate tectonics

Tags

NGSS.MS-ESS2-3

______ - the cycling of particles or materials based on their densities due to changes in temperature where hotter, less dense materials will rise and colder, more dense materials will sink.

• convection currents

• thermal conduction

• radiation transfer

• diffusion

______ - sections of the Earth’s crust that includes the seafloor, not the land we walk on.

• oceanic plates

• continental plates

• tectonic ridges

• mantle layers

Tags

NGSS.MS-ESS2-1

______ - the sections of the Earth’s crust (continents) and part of the upper mantle.

• continental plates

• oceanic ridges

• mantle plumes

• core segments