The Earth's Interior

Which layer contains soil?

• Mantle
• Asthenosphere
• Crust
• Mesosphere

Which layer is hottest?

• Crust
• Asthenosphere
• Mantle
• Core

What makes the inner core solid?

• Metals in the core are very light.
• Pressure at the core is very high.
• Chemicals in the core are very reactive.
• Temperatures in the core are very low.

Which layer contains BOTH the upper mantle and the crust?

• lithosphere
• atmosphere
• mesosphere
• athensosphere

Which layer is MOST dense?

• Mantle
• Crust
• Outer Core
• Inner Core

Which is the source extremely high temperatures in the Earth?

• Volcanoes
• Solar Radiation
• Earthquakes
• Heat created by the formation of the earth

Which layer of earth is molten?

• inner core
• outer core
• crust
• lithosphere

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

• asthenosphere
• lithosphere
• mesosphere
• crust

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

• crust 
• mantle
• outer core
• inner core