Exploring Earth's Layers and Isostasy

What are the primary compositional layers of the Earth?

• Core, Mantle, Crust

• Lithosphere, Asthenosphere, Mesosphere

• Mantle, Crust, Lithosphere

• Inner Core, Outer Core, Crust

What is the primary composition of the Earth's core?

• Silicon

• Iron

• Magnesium

• Nickel

Which type of crust is denser and thinner?

• Continental crust

• Asthenospheric crust

• Oceanic crust

• Lithospheric crust

What rock is the oceanic crust primarily composed of?

• Limestone

• Basalt

• Granite

• Sandstone

What is the name of the region in the mantle that behaves like a plastic solid?

• Outer Core

• Lithosphere

• Asthenosphere

• Mesosphere

What is the combination of the crust and the upper mantle called?

• Outer Core

• Lithosphere

• Mesosphere

• Asthenosphere

What process describes the sinking of the lithosphere into the asthenosphere?

• Erosion

• Convection

• Isostasy

• Subduction

Tags

NGSS.HS-ESS1-5

What is the Moho boundary?

• Boundary between the crust and the mantle

• Boundary between the lithosphere and asthenosphere

• Boundary between the inner and outer core

• Boundary between the mantle and the outer core

What happens to the Earth's crust when the tops of mountains are eroded?

• It becomes denser

• It remains unchanged

• It rises upwards

• It sinks lower

Tags

NGSS.MS-ESS2-2

What happens to the land when eroded sediment is deposited on the edges of the continental shelf?

• It sinks

• It rises

• It remains unchanged

• It becomes less dense

Tags

NGSS.MS-ESS2-2