Social Studies Final Exam 6th Grade

He explained his theory of the continental drift.

• Abraham Ortelius

• Alfred Wegener

• Deirdre Suvillan

The earth’s crust consist of ______ plates.

• about 5

• about 50

• about 20

__________________ is thought to be the only planet in our solar system that has plate tectonics.

• The sun

• Planet Mars

• The earth

How did people believe that the continents were formed?

• By earthquakes, floods and volvanoes

• By thunders

• By the people

Who was the person who noticed that Americas eatern and western coasts and Africa looked like if they were joined together?

• Alfred Wegener

• the scientist

• Abraham Ortelius

What happened to the landmasses during the Jurassic Age?

• they were invated.

• they were torn apart

• moved into what we can recognize as the 7 continents.

What was the name of the only supercontinents that was discovered by Alfred Wegener?

• Pangaea

• continent

• Africa

• south america

Wegeners theory stated that the landmases will be moving at a rate of about?

• 3 yards each century

• 5 yards each year

• 1 yard each century

• 2 yards each year

Tectonic plates move a few inches each __________.

• day

• week

• month

• year

Most scientist have been in agreement with ________________________?

• landmases

• continental drift theory

• 7 continenets

• tectonic plates