T5E2 Earth's Layers

What are the four layers of the Earth?

• Lithosphere, Asthenosphere, Mesosphere, Exosphere
• Crust, Mantle, Atmosphere, Lithosphere
• Crust, Mantle, Outer Core, Inner Core
• Core, Shell, Surface, Mantle

Which layer of the Earth is the thinnest?

• Crust

• Inner Core

• Outer Core

• Mantle

How do geologists study Earth's interior?

• By drilling deep into the Earth

• By studying seismic waves

• By analyzing surface rocks

• By observing volcanic eruptions

What is the densest layer of the Earth?

• Outer Core

• Inner Core

• Mantle

• Crust

What is the thickest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the composition of Earth's outer core?

• solid iron and nickel

• liquid iron and nickel

• molten rock

Fill in the blank: The inner core is a dense sphere of ________ found in the center of Earth.

• solid metal.

• liquid magma.

• gaseous elements.

• molten rock.

In terms of size and scale, what are the advantages and limitations of using a model to describe Earth’s layers?

• Models can accurately represent the size and scale of Earth's layers.

• Models simplify complex structures, making them easier to understand but may not capture all details.

• Models are always to scale and provide a perfect representation of Earth's layers.

• Models are not useful in understanding Earth's layers.

Which layer of the Earth is semi-solid (has both solid and liquid parts)?

• Inner Core

• Outer Core

• Crust

• Mantle

Which point is the crust?

Tags

NGSS.MS-ESS2-2