Continental Drift Theory

In 1912, Alfred Wegener proposed a theory that the Earth is once a single landmass. What is the name of the Mesozoic super continent that consist all of the present continents?

• Eurasia

• Laurasia

• Pangaea

• Gondwanaland

If you are a cartographer, what will give you an idea that the continents were once joined?

• Ocean depth

• Position of South Pole

• Size of the continent

• Shape of the continents

Alfred Wegener is a German scientist who hypothesized that the Earth was once made up of a single large landmass called Pangaea. Which of the following theories did he proposed?

• Continental drift Theory

• Continental Shift Theory

• Plate Tectonic Theory

• Seafloor Spreading Theory

If all the inner layers of the Earth are firm and solid, what could have happened to Pangaea?

• It remained as a super continent.

• It would be the same as it is today.

• It would have slowly disappeared in the ocean.

• It would have stretched and covered the whole ocean.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which of the following can you infer from the continuous movement of the lithospheric plates over the asthenosphere?

• a. All of the continents will cease to exist.

• b. All the volcanoes in the Philippines will become inactive.

• c. The continents will NOT be located in the same place as they are now.

• d. The islands of the Philippines will become scattered all over the world.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What are the two sub continents of Pangaea?

If the Atlantic Ocean is widening at a rate of 3 cm per year, how far (in kilometers) will it spread in a million years?

• 3 km

• 30 km

• 300 km

• 3000 km

Do you agree on Wegener's claim about Continental Drift Theory?

• Yes

• No

• Maybe

• Undecided