Geosphere Quiz

The most dense layer of the Earth is the

• Inner Core
• Outer Core
• Lower Mantle
• Upper Mantle

The thinnest layer of Earth is the 

• Inner Core
• Mantle
• Crust
• Outer Core

In what layer of Earth do convection currents occur?

• Inner Core
• Outer Core
• Mantle
• Crust

The inner core is composed of iron, nickel, silica, and cobalt.

• True
• False

Define Lithosphere

• The rigid outer part of the earth, consisting of the crust and upper mantle.
• The upper layer of the earth's mantle in which there is plastic flow and convection occurs
• The outermost solid shell of a planet
• The region of the earth's interior between the crust and the core, believed to consist of hot, dense silicate rock

Define Crust

• The rigid outer part of the earth, consisting of the crust and upper mantle.
• The upper layer of the earth's mantle in which there is plastic flow and convection occurs
• The outermost solid shell of a planet
• The region of the earth's interior between the crust and the core, believed to consist of hot, dense silicate rock

Define Mantle

• The rigid outer part of the earth, consisting of the crust and upper mantle.
• The upper layer of the earth's mantle in which there is plastic flow and convection occurs
• The outermost solid shell of a planet
• The region of the earth's interior between the crust and the core, believed to consist of hot, dense silicate rock

Which layer of the core is mostly liquid?

• inner core
• outer core

Which layer of Earth is made up of tectonic plates?

• outer core
• inner core
• asthenosphere
• lithosphere

Tags

NGSS.MS-ESS2-3

What is the thickest layer of the Earth?

• the crust
• the mantle
• the outer core
• the inner core