Earth Science

The supercontinent that broke up during the Mesozoic Era

• Pangaea

• North America

• Eurasia

• Antarctica

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The theory proposed by Alfred Wegener that the continents have moved over time

• Plate Tectonics

• Continental Drift

• Seafloor Spreading

Tags

NGSS.MS-ESS2-3

The reason why other scientists rejected Alfred Wegener's ideas

• He was not a geologist

• He had too much evidence to support his theory

• He could not prove how the continents moved

Tags

NGSS.HS-ESS1-5

The reason why there are the same fossils found on different continents in the same rock layers.

• The continents were once connected

• The continents have always been separated

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What evidence did Alfred Wegener used to support his theory of continental drift (choose all that apply)

• fossil evidence

• glacier scratches

• coal deposits

• rock layers in mountain ranges

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The top layer of the earth that floats above the mantle

• Crust or Lithosphere

• Mantle or Asthenosphere

The layer below the crust where convection currents cause magma to flow

• Crust or Lithosphere

• Mantle or Asthenosphere

Causes the tectonic plates to move

• Energy from the sun

• Convection currents in the mantle

Tags

NGSS.MS-ESS2-3

Harry Hess discovered rocks at the mid-ocean ridge are younger or older

• older

• younger

Harry Hess discovered the Atlantic Ocean was separating by analyzing sonar. What was the name of Harry Hess' theory?

• Contiental Drift

• Seafloor Spreading