Earth's Interior

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

How was the formation of the Earth similar to the formation of our solar system?

• The densest materials moved to the center.
• The densest materials moved to the outside.
• The densest materials moved to the middle layer.
• The densest materials were evenly distributed.

As depth increases below the Earth's surface, temperature __________.

• increases

• decreases

• remains the same

As depth increases below the Earth's surface, pressure __________.

• increases
• decreases
• remains the same

Which layer of the Earth's interior is composed of liquid material?

• crust
• mantle
• inner core
• outer core

Which layer inside Earth is made of iron & nickle ?

• mantle
• outer core
• crust
• core