Earth's Layers & Tectonic Plates

The outer most layer of the Earth is called the _________.

• crust

• outer core

• mantle

• inner core

The ___________ crust is thicker but less dense than the _________ crust.

• continental ; oceanic

• oceanic ; continental

The Earth has a solid _______ _______ that is surrounded by a liquid _______ ________.

• outer core ; inner core

• inner core ; outer core

• mantle ; crust

• inner core ; mantle

The ________ is the convective layer. (convection currents occur here.)

• inner core

• outer core

• crust

• mantle

The Earth is primarily composed of

• rock

• gas

• land

_______ % of the Earth's surface is covered by a relatively thin layer of water.

• 25

• 50

• 75

• 85

Tags

NGSS.MS-ESS2-4

The entire planet is surrounded by a thin layer of gas we call the ______________.

• asthenosphere

• lithosphere

• atmosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Earth's lithosphere is broken into pieces called ________ ________.

• continental drift

• mid-ocean ridge

• sea-floor spreading

• tectonic plates

Tags

NGSS.MS-ESS2-3

A ___________ boundary occurs where two tectonic plates collide with each other

• convergent

• transform

• divergent

A __________ boundary occurs where two tectonic plates slide past each other

• convergent

• transform

• divergent