Earth Science Quiz#8

Convection in the mantle results in the movement of plates on Earth.

• True

• False

How could plate tectonic movements affect the evolution of life?

• Two continents split apart and one species evolves into two different species, one on each continent

• Two continents come together so the organisms of two separate species compete until only one species remains

• Two continents split apart and the organisms of one species stay exactly the same

• All of the above

Which of the following are true of the theory of plate tectonics?

• Seafloor spreading is a critical component

• It helps explain continental drift

• It was confirmed by Alfred Wegener

• It explains a wide range of phenomena on Earth

The movement of tectonic plates affects Earth’s rock cycle, climate, and evolution of life.

• True

• False

Which are the major plate boundaries?

• Transform plate boundary

• Convergent plate boundary

• Divergent plate boundary

• Ridge plate boundary

• Continental plate boundary

Transform boundaries are also known as conservative plate boundaries because_____.

• They do not create lithosphere

• They do not destroy lithosphere

• Both A and B

• None of the above

Transform faults _____.

• often offset spreading centers

• Involve horizontal movement

• can cut across continents

At _________ plate boundaries, crust is neither created nor destroyed.

• transform

• convergent

• divergent

• mid-ocean

Transform faults tend to have __________ earthquakes.

• massive

• few

• weak

• rare

The movements of plates are smooth.

• True

• False