Front

What causes Earth's tectonic plates to move?

Back

Convection currents in the mantle.

Front

Who developed the Continental Drift Theory?

Back

Alfred Wegener.

Front

Which rock layer is the oldest from Site 1?

Back

Layer A.

Front

What evidence was used to prove that the seafloor spreads?

Back

Magnetic seafloor stripes and age of rocks.

Front

True or False: Most of the rock exposed on the Earth’s surface are sedimentary rocks.

Back

True.

Front

What is the definition of tectonic plates?

Back

Large sections of the Earth's lithosphere that move and interact with each other.

Front

What is Continental Drift?

Back

The theory that continents have moved over geological time and were once joined together.

Front

What are convection currents?

Back

Movement of fluid caused by differences in temperature and density, driving plate tectonics.

Front

What is the significance of magnetic seafloor stripes?

Back

They provide evidence for seafloor spreading and the movement of tectonic plates.

Front

What is sedimentary rock?

Back

Rock formed from the accumulation of sediment, often found on the Earth's surface.