UNIT TWO REVIEW GAME- EARTH’S STRUCTURE

The possible source of the Earth’s magnetism is in Earth’s ______

• core

• Mantle

• Lithosphere

• Crust

Name two of the four layers within the atmosphere.

• troposphere, stratosphere

• crust, mantle

• hydrosphere, lithosphere

• core, exosphere

The boundary between the Earth’s crust and mantle is called?

• Moho

• Asthenosphere

• Lithosphere

• Core-mantle boundary

In what sphere in the atmosphere does our weather occur and clouds form?

• troposphere

• stratosphere

• mesosphere

• thermosphere

Name one piece of evidence that supports the theory of Continental Drift.

• jigsaw puzzle, Geological evidence, fossil evidence, climate patterns, paleomagnetism (any one)

• The invention of the microscope

• The discovery of electricity

• The development of the steam engine

Name another piece of evidence that supports the theory of Continental Drift.

• jigsaw puzzle

• volcanic eruptions

• moon phases

• ocean tides

The Earth’s atmosphere is composed of approximate ____% of nitrogen.

• 78%

• 21%

• 50%

• 10%

New ocean floor is constantly being produced through the process known as: Seafloor spreading or subduction?

• Seafloor spreading

• Subduction

• Continental drift

• Plate folding

To date, scientists have identified how many lithospheric plates?

What is a divergent plate boundary?

• two plates moving away from each other, asthenosphere moves up and fills in opening space, ocean floors

• two plates sliding past each other, causing earthquakes

• two plates colliding and forming mountains

• one plate sinking beneath another, forming a trench