Science 10

The outermost layer of the earth which contains the entire crust and the topmost layer of the mantle.

• aesthenosphere

• lithosphere

• mesosphere

• troposphere

Who introduced the continental drift theory?

• Alfred Edward Wegener

• Alfred Lothar Wegener

• Robert Dietz

• Harry Hess

How many minor plates does the Earth have?

• 7

• 8

• 9

• 11

Which among the major tectonic plates has the biggest surface area?

• North American Plate

• Eurasian Plate

• African Plate

• Antarctic Plate

In which type of plate boundary did the Himalayas form?

• convergent boundary

• divergent boundary

• transform boundary

• constructive boundary

What type of plate boundary is shown in the picture?

• destructive boundary

• divergent boundary

• convergent boundary

• transform boundary

The place where two tectonic plates meet.

• lithospheric plate

• plate boundary

• fault

• trench

Which of the following is the missing link to Wegener's theory?

• the similarities of the rocks between the mountain ranges of Greenland and Scandinavia

• that the continuity of the truncated rock regions in Europe can be found in North America

• that the ocean floor spreads apart and travels away from where it forms, becomes colder as it ages, and sinks back into the mantle to be melted again into a mantle material

• the common traces of glaciation or the remnants of ice formation and deposits during the Permian period

Wegener explained that the breakup of Pangea was caused by the _________ that is produced by the Earth's rotation.

• electromagnetic force

• centripetal force

• gravitational force

• centrifugal force

Which of the following does not create subduction zones?

• oceanic-oceanic convergence

• oceanic-continental convergence

• continental-continental convergence

• destructive-constructive convergence