Pangea/Continental Drift/Seafloor Spreading

Front

What does the theory of continental drift state?

Back

The continents were once joined in a super-continent and have moved over time.

Tags

NGSS.MS-ESS2-3

Front

What evidence do glacier scars in Africa provide?

Back

Africa was once in an area of the Earth that had a very cold climate.

Front

Where would the oldest rock be found in the ocean?

Back

The oldest rock is found farthest from mid-ocean ridges.

Tags

NGSS.HS-ESS1-5

Front

Where are the youngest rocks on the ocean floor located?

Back

At mid-ocean ridges.

Front

What are mid-ocean ridges?

Back

Vast mountain ranges deep below the ocean's surface.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What is Pangea?

Back

Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

What is seafloor spreading?

Back

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

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Front

What are lithospheric plates?

Back

Large sections of the Earth's crust that move and interact with each other.

Tags

NGSS.MS-ESS2-1

Front

What is the significance of fossil evidence in continental drift?

Back

Fossils of the same species found on different continents support the idea that continents were once connected.

Tags

NGSS.MS-ESS2-3

Front

What role do convection currents play in plate tectonics?

Back

Convection currents in the mantle cause the movement of lithospheric plates.

Tags

NGSS.MS-ESS2-3