Geosphere Unit TEST

The most dense layer of the Earth is the

• Inner Core
• Outer Core
• Lower Mantle
• Upper Mantle

The thinnest layer of Earth is the 

• Inner Core
• Mantle
• Crust
• Outer Core

The crust is also know as the 

• Lithosphere
• Asthenosphere
• Mesosphere
• Mantle

Which layer of Earth is made up of tectonic plates?

• outer core
• inner core
• asthenosphere
• lithosphere

Which is made up mostly of iron and nickel.

• Inner Core
• Outer Core
• Crust
• Mantle

Is the layer of rock between the Earth's crust and core.

• Lithosphere
• Mantle
• Core
• Mesosphere

The measure of the energy released by an earthquake is called ____________________.

• Magnitude
• Seismic Waves
• Force
• Vectors

Extends from the center of the core to the surface of the crust.

• Geosphere
• Atmosphere
• Hydrosphere
• Biosphere

On which layer can we find the tectonic plates?

• Lithosphere

• Asthenosphere

• Lower Mantle

• Upper Mantle

In sea-floor spreading, molten material rises from the mantle and erupts

• along the edges of all the continents.

• along mid-ocean ridges.

• in deep-ocean trenches.

• at the north and south poles.