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 two layers, one right below the other, causes movement that can create an earthquake?

• crust and core
• mantle and core
• lithosphere and core
• lithosphere and asthenosphere

Which layer of Earth is about 6 miles (10 km) thick below the oceans and 25 miles (40 km) thick below the continents?

• crust
• mantle
• outer core
• inner core

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

Which layer of the Earth is the thickest at about 1802 miles (2900 km) and makes up about 84% of Earth's total volume?

• crust
• mantle
• outer core
• inner core