Earth: A unique planet

Earth: A unique planet

Multiple Select

Earth is unique because... Select all that apply

• Has liquid on surface

• Is the smallest planet

• Contains oxygen

• Supports life

Multiple Choice

________ the thin, solid outermost layer of the Earth above the mantle.

• Moho

• Crust

• Lithosphere

• Asthenosphere

Multiple Choice

_______ the crust beneath the oceans.

• Continental crust

• Lithosphere

• Mesophere

• Oceanic crust

Multiple Choice

_______the crust that makes up the continents.

• Oceanic crust

• Continental crust

• Mantle

• Outer core

Multiple Choice

_____ the lower boundary of the crust

• Moho

• Lithosphere

• Asthenosphere

• Mantle

Multiple Choice

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

• Lithosphere

• Inner core

• Outer core

• Mantle

Multiple Choice

_____ the central part of Earth below the mantle

• asthenosphere

• crust

• core

• lithosphere

Multiple Choice

______ the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle.

• Asthenosphere

• Crust

• Mantle

• Lithosphere

Multiple Choice

_____the solid, plastic layer of the mantle beneath the lithosphere; made of mantle rock that flows very slowly, which allows tectonic plates to move on top of it.

• Mantle

• Asthenosphere

• Moho

• continental crust

Multiple Choice

_____the ability of a solid to flow.

• Moho

• Outer core

• Plasticity

• run

Multiple Choice

_____the strong, lower part of the mantle between the asthenosphere and the outer core.

• crust

• Mesosphere

• mantle

• inner core

Multiple Choice

Scientists have learned that, in addition to Earth, the sun and moon also have __________________

• magnetic fields

• liquid outer cores

• large amounts of iron

• magnetosphere

Multiple Choice

Earth's magnetic field extends beyond the atmosphere and affects a region of space called the _____________

• mesosphere

• atmosphere

• electrosphere

• magnetosphere

Multiple Choice

The source of the Earth's magnetic field may be _________.

• the liquid iron in Earth's outer core.

• the solid rock in the asthenosphere

• Earth's dense, rigid inner core.

• The rocky mantle

Multiple Choice

The third planet from the sun in our solar system is...

• Mars

• Earth

• Pluto

• Moon

Multiple Choice

About 70% of the Earth's surface is covered with water called the...

• Sea

• Global continent

• Global ocean

• sea ocean

Multiple Choice

Earth formed about 4.6 billion years ago and is is mostly made up of...

• Water

• Clouds

• Gases

• Rock

Multiple Choice

Earth appears to be a perfect circle, but is actually a slightly flattened sphere called...

• Oblate spheroid

• Parallel spheroid

• Perpendicular spheroid

• Cylinder

Multiple Choice

______________ are vibrations that travel through Earth that are caused by earthquakes and by explosions on the Earth's surface.

• Oceanic waves

• Moho waves

• Seismic waves