Plate Tectonics

Front

The hypothesis that continents have slowly moved to their current locations is called ____.

Back

continental drift

Tags

NGSS.MS-ESS2-3

Front

What is the name of the scientist who first developed the idea of continental drift? Options: Alfred Wegener, Benjamin Franklin, Arthur Holmes, Harry Hess

Back

Alfred Wegener

Tags

NGSS.HS-ESS1-5

Front

The presence of the same ____ on several continents supports the idea of continental drift. Options: both fossils and rock structures, fossils, rock structures, neither fossils or rock structures

Back

both fossils and rock structures

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Front

Why was continental drift not widely accepted when first proposed?

Back

Wegener couldn’t explain why or how the continents moved.

Front

The crust and uppermost mantle make up Earth's ____. Options: lithosphere, continents, asthenosphere, core

Back

lithosphere

Front

Plates of the lithosphere float on the ____.

Back

asthenosphere

Tags

NGSS.MS-ESS2-3

Front

_________ currents inside the asthenosphere cause plate motion.

Back

Convection

Tags

NGSS.MS-ESS2-3

Front

Scientists believe that differences in __ cause hot rock in the mantle to rise to the surface.
Options: density, color, magnetism, none of the above

Back

density

Front

Where are the youngest rocks on the ocean floor located? Options: at mid-ocean ridges, near Asia, far from mid-ocean ridges, near continents

Back

at mid-ocean ridges

Tags

NGSS.MS-ESS2-1

Front

The alignment of iron in rocks when they are formed shows that Earth's ___ has reversed itself.

Back

magnetic field