Earth's Layers Test

The Earth's crust is made up mostly of which two types of rock?

• granite and slate
• slate and basalt
• slate and mica
• granite and basalt

What includes the Earth's crust and upper mantle?

• convection
• lithosphere
• asthenosphere
• continents

the outermost layer of the planet

• crust
• inner core
• outer core
• mantle

The _____________ is a hot, dense, asphalt-like layer of rock that flows causing the plates of the Earth to move.

• inner core
• outer core
• density
• mantle

Heat from the core causes ________ currents in the asthenosphere.

• temperature
• convection
• density
• conteninental

Which layer of the Earth is made of LIQUID iron, nickel, sulfur, and oxygen?

• outer core
• mantle
• inner core
• crust

The movement of _______ in the outer core is responsible for Earth's magnetic field.

• nickel
• heat
• iron
• convection

Rank the layers of the Earth from hottest to coldest.

• crust, outer core, mantle, inner core
• outer core, inner core, mantle, crust
• inner core, outer core, mantle, crust
• mantle, crust, outer core, inner core

Which layer of the Earth is the thickest?

• outer core
• mantle
• inner core
• crust

Which layer of the Earth is the thinnest?

• outer core
• mantle
• inner core
• crust