Plate Tectonics

What happens to an ocean if subduction occurs faster than oceanic crust can be created?

• It expands

• It shrinks or gets smaller

• It remains the same size

• It turns into land

Tags

NGSS.MS-ESS2-3

What geological feature is created at an oceanic divergent boundary?

• Deep Ocean Trench

• Subduction

• Mid-ocean ridge

• Canyon

What is the primary cause of convection currents in the mantle?

• The rotation of the Earth

• The core heats the magma

• The sun's radiation

• The moon's gravitational pull

Tags

NGSS.MS-ESS2-2

NGSS.MS-PS1-4

Where do scientists believe convection currents flow in Earth's interior?

• Crust

• Core

• Asthenosphere

• Lower Mantle

What happens to convection currents in a fluid when the heat source is removed?

• They speed up

• They change direction

• They slow down and stop

• They remain constant

What was Wegener's Theory of Continental Drift?

• The continents are expanding

• The continents are stationary

• All the continents were once joined together in a supercontinent called Pangaea and have since drifted apart

• The continents float on water

Tags

NGSS.MS-ESS2-3

What is Pangaea?

• A prehistoric ocean

• A single massive mountain range

• The name of the first discovered dinosaur

• All the continents together as one single landmass

Which types of evidence did Alfred Wegener use to support his continental drift hypothesis? (Select all that apply)

• Fossil evidence

• Landforms

• Climate

• Satellite images

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What type of event do transform boundaries typically create?

• Drought

• Earthquakes

• Hurricanes

• Tornadoes

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

What process describes the sinking of the ocean floor through a deep-ocean trench and back into the mantle?

• Erosion

• Subduction

• Deposition

• Uplift

Tags

NGSS.MS-ESS2-3