Earth's Interior

What is the inner most layer of Earth?

• core
• outer core
• inner core
• asthenosphere

Which layer of earth is molten?

• inner core
• outer core
• crust
• lithosphere

Which layer of Earth is solid and why?

• The inner core is solid because of movement of the outer core.
• The inner core is solid because of the freezing temperatures.
• The inner core is solid because of the extreme pressure from the other layers.
• The outer core is solid because of the extreme pressure from the other layers.

Which layers make up the mantle?

• crust, inner core, outer core
• mesosphere, asthenosphere, part of lithosphere
• bottom part of the mantle
• crust only

Which layer is plastic and has the consistency of silly putty allowing movement?

• asthenosphere
• lithosphere
• mesosphere
• crust

Which layer of Earth has a temperature of up to 13000⁰ F and is hotter than the sun's surface?

• crust 
• mantle
• outer core
• inner core

Which of Earth's layers is made of SOLID iron and nickel?

• crust 
• mantle
• outer core
• inner core

Why is the core more dense than the mantle or crust?

• It has more aluminum

• it has more iron

• it has more tin

• it has more basalt

What is the thinnest layer of the Earth?

• Mantle

• inner core

• outer core

• crust

How do scientists know the Earth has layers?

• Drilling into the mantle

• Volcanoes

• Seismic waves data

• ocean waves