Earthquakes and Earth's Interior

Which layer contains soil?

• Mantle
• Asthenosphere
• Crust
• Mesosphere

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

Seismic waves _____ when they go from a solid to a liquid.

• Slow down
• Speed up
• Remain the same
• Slow down and then speed up

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.

P waves move through____

• Solids only
• Liquids only
• Solids and Liquids
• None of these

S waves move through

• Solids only
• Liquids only
• Solids and liquids
• None of these

What creates the magnetic field around the Earth?

• The Earth spinning on its axis
• The liquid outer core spinning around the solid inner core
• The solid outer core spinning around the liquid inner core
• Seismic waves

What is a break in the lithosphere along which movement in an earthquake has first occurred?

• Earthquake
• Epicenter
• Fault
• Focus

Where is the point at which the first movement occurs during an earthquake?

• Epicenter
• Focus
• Fault
• Plate