Unit 4 - In-Class Review

Front

What data do scientists use to study Earth’s structure?

Back

The time it takes for seismic waves to reach a seismograph.

Front

What layers of the Earth make up the lithosphere?

Back

The lithosphere is made up of the crust and upper mantle.

Front

Can volcanoes cause earthquakes?

Back

True.

Front

What is seafloor spreading?

Back

A process where new oceanic crust is formed at mid-ocean ridges and slowly moves away from them.

Front

Where do earthquakes occur?

Back

Earthquakes occur along transform boundaries.

Front

What is the definition of the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is the role of seismic waves in studying the Earth?

Back

Seismic waves help scientists understand the structure and composition of the Earth's interior.

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is thinner and denser than continental crust.

Front

What is a tectonic plate?

Back

A tectonic plate is a large slab of Earth's lithosphere that moves and interacts with other plates.

Front

What causes volcanic eruptions?

Back

Volcanic eruptions are caused by the movement of magma from beneath the Earth's surface.