ES Dynamic Earth 1st 1/2

Front

True or False: Sea-floor Spreading adds new material to the ocean floor?

Back

True

Tags

NGSS.MS-ESS2-1

Front

What is represented by the picture?

Back

Pangaea

Tags

NGSS.MS-ESS2-3

Front

The Moho forms a boundary between which two layers of Earth?

Back

Crust and mantle

Front

Which layer of the core is made of molten metals?

Back

Outer core

Front

Earth's oceanic crust is ______ than continental crust.

Back

Thinner but denser

Front

What is Sea-floor Spreading?

Back

The process by which new oceanic crust is formed at mid-ocean ridges and older crust is pushed away.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What is Pangaea?

Back

A supercontinent that existed during the late Paleozoic and early Mesozoic eras.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Tags

NGSS.MS-ESS2-1

Front

What is the asthenosphere?

Back

The semi-fluid layer beneath the lithosphere that allows tectonic plates to move.

Tags

NGSS.MS-ESS2-3

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is thinner and denser than continental crust.