Earth / Moon Composition Pre Test

The _____ is solid, plastic layer of the mantle which allows tectonic plates to move on top of it

• Lithosphere

• Atmosphere

• Hydrosphere

• Asthenosphere

The mostly solid, rocky part of the Earth; extends from the mantle to the surface

• Lithosphere

• Asthenosphere

• Biosphere

• Hydrosphere

Earth's shape is a(n)...

• perfect circle

• oblate sphereoid

• circular sphereioid

• binary helix

The thinnest and solid outermost layer of the Earth...

• Asthenosphere

• Lithosphere

• Biosphere

• Hydrosphere

The portion of the Earth that is water is referred to as the...

• Biosphere

• Atmosphere

• Liquisphere

• Hydrosphere

A possible (and very likely) source of the Earth's magnetic field is ...

• Earth's ionized atmosphere

• The counterrotation of the inner and outer cores

• The movement of the tides and Moon

• Friction in the atmosphere caused by planetary rotation.

After the Apollo trip to the Moon, which theory of the Earth-Moon system creation is most accepted as correct?

• Fission

• Capture

• Coaccretion

• Impact

What can happen as energy is released at fault lines?

• Earthquakes

• Geothermic Vents

• Hot water geysers

• Nuclear explosions

The _________ is a dense, mostly solid ball of the elements iron and nickel.

• inner core

• outer core

• mantle

• lithosphere

The Earth's crust is not a solid shell; it is broken up into huge, thick _______ that drift atop the soft, underlying mantle.

• tectonic plates

• fault lines

• Pangea lithoforms

• geothermal ridges