Geography- Drifting Continents Flashcards Preview

Grade 9 November Exams > Geography- Drifting Continents > Flashcards

Flashcards in Geography- Drifting Continents Deck (10):
1

Who came up with the hypothesis?

Alfred Wagner, a Germán meteorologist

2

Permian

Pangea (all land)
Panthalassa

3

Triassic

Lurasia- North America and Eurasia
Gondwanaland- South America, Africa, Australia, Antaractica and India

4

Jurassic

Two super continents began to move and break up into smaller continents

5

Present

7 continents

6

Future

Amasia
Super Atlantic Ocean

7

Geology

Old mountain belts and rocks of similar age on different continents link up when the continents are re-assembled. For example, folded mountains in South America and South Africa form a single chain when put together.

8

Biology

Land dwelling fossils such as the Lystrosaurus are found in Africa, India and Antarctica. This points to the fact that the land masses were onces joined.

9

Climatology

Coal which was formed under warm wet conditions is found beneath Antarctica. This indicates that Antarctica was once near the equator.

10

Paleomagnetism

Paired magnetic stripes at sea floor spreading areas.

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