Earth: A unique planet

Earth is unique because... Select all that apply

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

_______ the crust beneath the oceans.

_______the crust that makes up the continents.

_____ the lower boundary of the crust

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

_____ the central part of Earth below the mantle

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

_____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.

_____the ability of a solid to flow.

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

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

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

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

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

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

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

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

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