Theory of Plate Tectonics

Theory of Plate Tectonics

Multiple Choice

Over 200 million years ago, the continents were combined into one large land mass called:

• Pangaea
• Gondwana
• Laurasia
• Atlantis

Multiple Choice

Which of the following statements is NOT evidence of continental drift?

• The similarity of coastlines between continents.
• The distribution of fossils across continents.
• The presence of mountain ranges on different continents.
• The existence of ocean currents.

Multiple Choice

Tectonic plates move due to ________.

• ocean currents
• magnetic field changes
• earthquake vibrations
• convection currents in the Earth's mantle

Multiple Choice

True or False: Convection currents cause materials in Earth's mantle to move in a circular direction

• True

• False

Multiple Choice

Which statement is correct?

• Hot substances rise.

• Cold substances rise.

• Substances with lower densities will sink.

• All statements are correct.

Multiple Choice

Which of the following best explains the source of energy that moves the Earth's tectonic plates?

• Solar energy from the sun heating the surface
• Gravitational pull from the moon affecting the crust
• Wind patterns causing shifts in the Earth's surface
• Heat from the Earth's interior causing convection currents in the mantle.