Plate Tectonics

What is the outermost layer of the Earth?

• outer core

• inner core

• mantle

• crust

Which layer is the most dense?

• outer core

• inner core

• asthenosphere

• lithosphere

Which lists the Earth's layers in order from least dense to most dense?

• outer core, asthenosphere, inner core, lithosphere

• asthenosphere, lithosphere, outer core, inner core

• lithosphere, asthenosphere, outer core, inner core

• inner core, outer core, asthenosphere, lithosphere

Oceanic crust is more dense than continental crust. This causes it to _______ at a convergent boundary.

• float

• sink

• melt

• move sideways

Which layer if the Earth is thickest?

• crust

• mantle

• outer core

• inner core

Which layer is the source of earth's magnetic field?

• crust

• mantle

• outer core

• inner core

Temperature, density, and pressure ______ from Earth's crust to the inner core.

• increase

• decrease

• stay the same

What is one type of evidence Alfred Wegener used to support his theory of Continental Drift?

• climate differences

• new oceanic crust

• earthquakes around the world

• similar fossils in different continents

Tags

NGSS.MS-ESS2-3

What did Alfred Wegener call the supercontinent that included all landmasses on Earth before it broke up?

• Asthenosphere

• Superworld

• Eurasio

• Pangea

Tags

NGSS.MS-ESS2-3

Which boundary occurs when plates collide?

• divergent

• convergent

• transform

• rift