Layers of the Earth Study Guide

Scientists believe the deeper into the Geosphere:

• temperature and pressure both increase
• temperature increases and pressure decreases
• temp and pressure both decrease
• temp decreases and pressure increases

The different layers formed on Earth are due to the differences in ____________ of the materials

• smell
• volume
• climate 
• density

Which is a layer not found in Earth's mantle?

• upper mantle
• asthenosphere
• lithosphere
• crust

Which of Earth's systems makes up all the living organisms found on Earth?

• atmosphere
• biosphere
• geopshere
• hydropshere

The more dense an object ________________.

• the stronger the gravitational force
• the less affect it has on the magnetic field
• the more round the object
• the weaker the gravitational force

Which of the following would best describe the MOHO?

• a boundary between the mantle and the outer core
• a boundary separating the crust and mantle
• a boundary separating the inner and outer core
• a boundary between the lithosphere and core

Which layer of the Earth is the most dense?

• crust
• mantle
• outer core
• inner core

How thick is Earth's crust?

• 45-60 miles
• 20-30 miles
• 70-80 miles
  1,000 miles

Glaciers are part of Earth's:

• atmosphere
• hydropshere
• mantle
• outer core

Earth's core is mostly made of which metal

• alumuninum
• gold
• nickel
• iron