Lesson 2

An instrument that measures the shaking of the Earth’s crust

• Seismic waves

• Seismograph

• Richter Scale

• Mercalli Scale

Tags

NGSS.MS-PS4-2

Additional shaking after the earthquake

• Seismic waves

• Aftershock

• Magnitude

• Energy

Tags

NGSS.MS-ESS3-2

A huge ocean wave caused by an earthquake

• Volcano

• Tectonic plates

• Tsunami

• Sea-floor spreading

Tags

NGSS.MS-ESS3-2

The measure of the energy of earthquakes from 1 to 10

• Richter Scale

• Mercalli Scale

• damage

• magnitute

The amount of energy released by an earthquake

• waves

• Richeter Scal

• aftershocks

• magnitude

Tags

NGSS.MS-ESS3-2

The point where an earthquake begins

• Focus

• Epicenter

• Fault

• tsunami

The point directly above the focus where the earthquake is felt

• Focus

• Fault

• Epicenter

• Tsunami

Tags

NGSS.MS-ESS3-2

Earthquake vibrations that travel through Earth’s crust

• Aftershocks

• Seismic waves

• Plate tectonics

• Epicenter

Tags

NGSS.MS-ESS3-2

A huge crack in Earth’s crust

• Fault

• Focus

• Epicenter

• Tsumai

Tags

NGSS.MS-ESS3-2

What are the fastest seismic waves called?