Earth History Review 2

Front

What part of ice cores tells us what the atmosphere was like in the past?

Back

The air bubbles trapped in ice cores.

Front

How can ice cores provide evidence for the evolution of Earth's atmosphere?

Back

Ice cores can show how the composition of the atmosphere has changed over time.

Front

What causes the tectonic plates to continually move?

Back

Convection currents.

Front

Which type of rock results from the melting and cooling of magma?

Back

Intrusive.

Front

Metamorphic Rock --> Weathering & Erosion --> __________

Back

Sediment.

Front

What is the process by which rocks are broken down into smaller pieces?

Back

Weathering.

Front

What is the term for the movement of sediment from one location to another?

Back

Erosion.

Front

What type of rock is formed from the cooling and solidification of magma or lava?

Back

Igneous rock.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks cool slowly beneath the Earth's surface, while extrusive rocks cool quickly on the surface.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation, breakdown, and reformation.