GP Flashcard 1

Front

What layer of the Earth do lithospheric plates float on?

Back

Lithospheric plates float on the mantle.

Front

What causes lithospheric plates to move?

Back

Lithospheric plates move due to convection currents.

Front

What is the term for hot liquid rock beneath the Earth's surface?

Back

Magma is the term for hot liquid rock beneath the Earth's surface.

Front

List the layers of the Earth from the innermost to the outermost.

Back

The layers of the Earth from the inside to the outside are: inner core, outer core, mantle, crust.

Front

Which of the following is NOT a hazard associated with a volcanic eruption: harmful gases, lava flow, ash fall, groundshaking?

Back

Groundshaking is likely NOT a hazard associated with a volcanic eruption.

Front

What is the outermost layer of the Earth called?

Back

The outermost layer of the Earth is called the crust.

Front

What is the difference between magma and lava?

Back

Magma is found beneath the Earth's surface, while lava is magma that has reached the surface.

Front

What are convection currents?

Back

Convection currents are the movement of fluid caused by differences in temperature and density, which can drive the movement of tectonic plates.

Front

What is the inner core of the Earth made of?

Back

The inner core is primarily made of solid iron and nickel.

Front

What is the mantle composed of?

Back

The mantle is composed of semi-solid rock that flows slowly over time.