Pangaea

Front

What is Pangaea?

Back

Pangaea is a supercontinent that existed during the late Paleozoic and early Mesozoic eras, where all the continents were joined together.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

Who proposed the theory of Pangaea?

Back

Alfred Wegener proposed the theory of Pangaea in the early 20th century.

Tags

NGSS.MS-ESS2-3

Front

What is sea-floor spreading?

Back

Sea-floor spreading is the process by which new oceanic crust is formed at mid-ocean ridges and gradually moves away from the ridge.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What is the inner core of the Earth?

Back

The inner core is the solid, innermost layer of the Earth, composed mainly of iron and nickel.

Front

What is the outer core of the Earth?

Back

The outer core is the liquid layer of the Earth's core, located between the inner core and the mantle.

Front

What is the mantle?

Back

The mantle is the thick layer of rock between the Earth's crust and outer core, making up most of the Earth's volume.

Front

What is the crust?

Back

The crust is the outermost layer of the Earth, consisting of solid rock and soil.

Tags

NGSS.MS-ESS1-4

Front

What evidence supports the existence of Pangaea?

Back

Evidence includes the fit of the continents, fossil similarities across continents, and geological formations that match.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Front

What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's lithosphere that move and interact at their boundaries.

Tags

NGSS.MS-ESS2-3

Front

What is continental drift?

Back

Continental drift is the theory that continents have moved over geological time and were once joined together.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1