Front

What is the lithosphere?

Back

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

Front

Where is the lithosphere located?

Back

The lithosphere is located above the mantle, not beneath it.

Front

What instrument is used to detect and measure the movements of the Earth?

Back

A seismograph is used to detect, time, and measure the movements of the Earth.

Front

What type of fault occurs when rocks push together, forcing a section of rock upward?

Back

A thrust fault, or reverse fault, occurs when rocks push together and one section is forced upward.

Front

Where do most volcanoes and earthquakes occur?

Back

Most volcanoes and earthquakes occur along tectonic plate boundaries.

Front

What is an independent variable in an experiment?

Back

An independent variable is what a scientist changes in an experiment to test their hypothesis.

Front

What is a normal fault?

Back

A normal fault occurs when rocks pull apart, causing one block to drop down relative to another.

Front

What is a strike-slip fault?

Back

A strike-slip fault occurs when two blocks of rock slide past each other horizontally.

Front

What is the purpose of a seismograph?

Back

The purpose of a seismograph is to record the intensity and duration of seismic waves during an earthquake.

Front

What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's lithosphere that move and interact at their boundaries.