Ch. 9 Lesson 1 Quick Vocabulary

Front

What measures and records ground motion and the distance and direction seismic waves travel?

Back

Seismometer

Front

What causes particles in the ground to move up and down, similar to ocean waves?

Back

Surface wave

Tags

NGSS.MS-PS4-1

Front

What is the fastest-moving type of seismic wave that causes particles in the ground to move in a push-pull motion?

Back

Primary wave

Tags

NGSS.MS-PS4-2

Front

What is Earth's interior below the crust and above the core called?

Back

Mantle

Front

Where do Earth's lithospheric plates move and interact with each other?

Back

Plate boundary

Tags

NGSS.MS-ESS2-3

Front

What is the record of seismic waves called?

Back

Seismogram

Front

What type of seismic wave travels along the Earth's surface?

Back

Surface wave

Front

What is the center of an earthquake called?

Back

Focus

Front

What is the point directly above the focus on the Earth's surface called?

Back

Epicenter

Front

What type of seismic wave causes particles to move at right angles to the direction of wave travel?

Back

Secondary wave

Tags

NGSS.MS-PS4-2