Core, Mantle & Crust

Which is the thinnest layer of the Earth where life exists?

• mantle

• core

• crust

• moho

What is made up of basalt rock, is thinner and denser than the continental crust?

• sima

• inner core

• mantle

• moho

What is made of granite and also known as the continental crust?

• sial

• sima

• Gutenberg Discontinuity

• asthenosphere

Which layer of the Earth makes it magnetic because it is made of iron?

• crust

• mantle

• moho

• core

What separates the crust from the upper mantle?

• Sima

• Moho

• Gutenberg Discontinuity

• Sial

Which part of the Earth has the ability to flow (plasticity) due to heat and pressure?

• inner core

• asthenosphere

• atmosphere

• hydrosphere

Which are the three (3) main spheres in our study of science?

• atmosphere

• megasphere

• hydrosphere

• lithosphere

Which sphere consists of the gases surrounding the Earth?

• lithosphere

• hydrosphere

• atmosphere

• megasphere

Which sphere consists of the solid, rock part of the Earth that we walk on?

• hydrosphere

• lithosphere

• atmosphere

• megasphere

Which sphere consists of all the water on Earth, including frozen water?

• atmosphere

• lithosphere

• hydrosphere

• megasphere