Earth's layers & the Rock Cycle Quiz

Which layer of the Earth is the hottest?

• Crust

• Mantle

• Outer Core

• Inner Core

As depth increases within the Earth, what happens to the pressure?

• It decreases

• It stays the same

• It increases

• It first increases, then decreases

Which type of rock is formed from cooling and solidifying magma or lava?

• Metamorphic

• Igneous

• Sedimentary

• Crystal

What process turns sediment into sedimentary rock?

• Melting

• Erosion

• Compaction and Cementation

• Heat and Pressure

Which type of rock could become a metamorphic rock?

• Only Igneous

• Only Sedimentary

• Both Igneous and Sedimentary

• Igneous, Sedimentary, and Metamorphic

What is the main force driving the rock cycle and plate tectonics?

• Volcanoes and earthquakes

• Gravity and the mass of the earth

• Convection currents driven by Earth's internal heat

• The Moon's pull on our crust

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

Which layer of the Earth is composed mostly of solid rock and includes both the crust and the upper part of the mantle?

• Lithosphere

• Asthenosphere

• Mesosphere

• Outer Core

What is the primary method of heat transfer within the Earth?

• Radiation

• Conduction

• Convection

• Insulation

In which layer of the Earth do convection currents occur?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the process by which heat is transferred through direct contact between materials?

• Radiation

• Conduction

• Convection

• Reflection