Layers and planets of the solar system

It is the thickest layer of the earth.

(a)  

What is the outermost layer of the Earth called?

• Mantle

• Crust

• Inner Core

• Outer core

What is the best way scientists know about the structure of the earth?

• Volcano

• Oceanic

• Seismic Waves

• Lithosphere

What are the two main metals that make up the outer and inner core?

• Gold

• Aluminum

• Crust

• Iron & Nickel

Which layer of earth is all liquid?

• Outer Core

• Mantle

• Inner core

• Crust

The crust and the top of the mantle is called?

• Asthenosphere

• Inner Core

• Lithosphere

• Outer core

Which layer of the Earth is solid and most dense?

• Mantle

• Inner Core

• Outer core

• Crust

Which layer is located directly underneath the lithosphere?

• Mantle

• Crust

• Inner core

• Asthenosphere

Earth’s crust can only be____________ or _______________.

• Volcanic & Seismic

• Oceanic & Continental

The layer of the Earth where convection currents occur is called the

• Mantle

• Lithosphere

• Upper core

• Inner core