Plate Tectonics

Which statement below describes Earth’s lithosphere?

• The lithosphere is a rigid and continuous layer of rock that covers Earth.
• The lithosphere is made of molten rock. Crust covers the lithosphere.
• The lithosphere is made of large slabs of rock that cover Earth.
• The lithosphere generates heat deep within Earth.

What happens when tectonic plates move towards each other?

• Lithosphere is destroyed
• Lithosphere is created
• Neither a or b
• Either a or b

What do you call a plate boundary at which tectonic plates move away from each other?

• A convergent boundary
• A divergent boundary
• A transform boundary
• A subduction boundary

What type of plate boundary is also known as a conservative plate boundary?

• A convergent boundary
• A divergent boundary
• A transform boundary
• A subduction boundary

A mountain range is most often found at:

• A convergent boundary
• A divergent boundary
• A transform boundary
• None of the above

A deep ocean trench is most often found where:

• Two tectonic plates pull away from each other
• Two tectonic plates slide past each other
• Two tectonic plates collide and “crush” each other
• Two tectonic plates collide and one subducts below the other

What do you call the deep valley between the mountains of a mid-ocean ridge?

• A volcano
• A canyon
• A rift
• A river

What do scientists believe is responsible for the movement of tectonic plates?

• Thermal energy that radiates from the sun
• Friction between the lithosphere and asthenosphere
• Convection currents within the asthenosphere
• Earth’s rotation

According to the Continental Drift Theory:

• The continents were once joined together as a supercontinent. Over time, the supercontinent drift apart.
• The continents are slowly drifting towards each other. Eventually, they will collide and destroy each other.
• The continents are slowly growing in size due to tectonic plate movement.
• The continents are slowly sinking down into Earth’s mantle.

Which of the following is a piece of evidence that support’s the Theory of Continental Drift?

• Coal deposits in North America match up with coal deposits across Europe.
• The east coast of South America complements the west coast of Africa.
• Fossils of the same plants and animals living at the same time were found in South America, Africa, India and Australia.
• All of the above