Outermost mechanical layer of Earth is also known as __________

• lithosphere
• hydrosphere
• biosphere
• atmosphere

Lithosphere is consists of __________ and __________

• crust and mantle
• mantle and core
• ocean and atmosphere
• core and atmosphere

Which is correct about lithosphere?

• Consists of the crust and upper mantle, divided into tectonic plates
• Does not play a role in plate tectonics
• Made up of liquid iron and nickel
• Composed of only the Earth's crust

What are the properties of lithosphere? Choose two answers

• flexible

• brittle

• semi-solid

• rigid

• rocky

When stresses are applied on the lithosphere, it breaks

Which properties described the statement above?

• Brittle nature
• Elastic nature
• Ductile nature
• Flexible nature

Lithosphere are also known as __________ and _________. Choose two answers.

• hydrosphere

• plate tectonics

• asthenosphere

• geosphere

• atmosphere

How many layers do the Earth have? What are they?

• The Earth has 2 layers: outer core and inner core.
• The Earth has 5 layers: lithosphere, asthenosphere, mesosphere, outer core, and inner core.
• The Earth has 3 layers: crust, mantle, and core.
• The Earth has 4 layers: crust, outer core, inner core, and upper mantle.

Asthenosphere is part of mantle

• False

• True

Which of the Earth layers are made up of liquid? Choose two answers

• Mantle
• Crust
• Inner core
• Outer core

Based on the diagram, which number is labelled INCORRECTLY?

• 1 - Asthenosphere

• 2 - Mantle

• 4 - Crust

• 6 - Outer Core

• 7 - Inner Core