Theory of Plate Tectonics Final

What was the main idea of Alfred Wegener's theory? Choose the best answer.

• The Earth has always looked the same.

• Continents are slowly moving apart.

• Earthquakes happen randomly.

• Oceans are getting deeper.

Tags

NGSS.MS-ESS2-3

Which of the following is evidence that supports the continental drift hypothesis? Choose the best answer.

• The age of the sun.

• Fossils of the same species found on different continents.

• The number of earthquakes per year.

• The size of the continents.

Tags

NGSS.MS-ESS2-3

What does the theory of plate tectonics explain? Choose the best answer.

• How mountains are formed.

• The movement of tectonic plates in Earth's crust.

• Why oceans are salty.

• The existence of volcanoes.

Tags

NGSS.MS-ESS2-3

How many tectonic plates are there approximately? Choose the best answer.

• 5

• 10

• 20

• 50

• 15

Tags

NGSS.MS-ESS2-3

What type of boundary occurs when two tectonic plates move apart? Choose the best answer.

• Convergent boundary

• Divergent boundary

• Transform boundary

• Static boundary

What happens at a convergent boundary?

• Plates slide past each other.

• Plates move apart.

• Plates collide and one is pushed down.

• Plates remain still.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which of the following is an example of a transform boundary?

• The Himalayas

• The San Andreas Fault

• The Mid-Atlantic Ridge

• The Great Rift Valley

What can result from the movement of tectonic plates?

• Changes in weather patterns

• The creation of new continents

• Earthquakes and volcanic activity

• The extinction of species

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Why was Wegener's theory initially not accepted?

• It was too complicated.

• There was no evidence to support it.

• People could not imagine continents drifting.

• It contradicted other scientific theories.

What is a divergent boundary associated with?

• Earthquakes only

• The creation of mountains

• The formation of new oceanic crust

• The melting of tectonic plates