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

How many continents are there today?

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There are 7 continents today.

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 older crust is pushed away.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What evidence supports the theory of continental drift?

Back

Fossil evidence, geological similarities, and the fit of continental margins support the theory of continental drift.

Tags

NGSS.MS-ESS2-3

Front

What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms, often found in sedimentary rock.

Tags

NGSS.MS-LS4-1

Front

How do similar fossils on different continents support continental drift?

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Similar fossils found on continents that are now separated by oceans suggest that these continents were once connected.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Front

What is the significance of the Appalachian Mountains in relation to Pangaea?

Back

The Appalachian Mountains are similar in age and structure to mountains in Europe, indicating that they were once part of the same landmass.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Front

What is the theory of plate tectonics?

Back

The theory of plate tectonics explains how the Earth's lithosphere is divided into tectonic plates that move and interact, causing geological activity.

Tags

NGSS.MS-ESS2-3

Front

What is a tectonic plate?

Back

A tectonic plate is a large slab of Earth's lithosphere that moves and interacts with other plates.

Tags

NGSS.MS-ESS2-3

Front

What role do volcanoes play in the movement of tectonic plates?

Back

Volcanoes often form at the boundaries of tectonic plates, where plates diverge or converge, releasing magma from the Earth's interior.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-2