Physical/Earth Science

Identify layer  #20.

• mantle
• asthenosphere
• inner core
• outer core

Which layer of Earth is LIQUID?

• upper mantle
• lower mantle
• outer core
• inner core

What layer is a semisolid and acts like a plastic?

• Lithosphere
• Mantle
• Asthenosphere

Scientists think that convection currents that move the plates flow in Earth's

• Continental crust
• Oceanic crust
• Asthenosphere
• Lithosphere

The thinnest layer of the Earth is?

• Mantle
• Lithosphere
• Athenosphere
• Crust

Which layer of the earth is rock made mostly of iron?

• Lithosphere
• Core
• Asthenosphere
• Mantle

What is it called when an earthquake’s vibrations are travel to other areas of the earth (through the earth's layers)?

• convection
• volcanic eruptions
• seismic waves
• plate tectonics

Sand Andreas Fault formed at this type of boundary-

• Transform Boundary
• Convergent Boundary
• Divergent Boundary
• Hot Spot

Mid Ocean Ridge forms at type of boundary-

• Transform Boundary
• Convergent Boundary
• Divergent Boundary
• Hot Spot

Islands form with at type of boundary-

• convergent ocean to ocean
• convergent continental to continental 
• convergent ocean to continental
• transform