Earthquakes and Tsunamis

What is an earthquake?

• A sudden shaking of earth’s crust

• A large, sometimes deadly wave

Tags

NGSS.MS-ESS3-2

Which layer of Earth is made of solid rock and almost melted rock?

• crust

• mantle

Which layer of Earth is found beneath the mantle and is the central part of Earth that made up of liquid and solid metals?

• crust

• core

Most earthquakes happen near the boundaries of ____.

• tectonic plates

• oceans

Tags

NGSS.MS-ESS3-2

1. Earthquakes happen when the layers of rock on both sides of a ___ suddenly slip.

• fault
• ridge

Tags

NGSS.MS-ESS3-2

A string of volcanoes at plate boundaries around the Pacific Ocean is known as the ____.

• Ring of Fire

• Mountain Range

Tags

NGSS.MS-ESS3-2

An underwater earthquake can produce a large wave called a ___.

• hurricane
• tsunami

Tags

NGSS.MS-ESS3-2

When they reach the surface, waves spread out from the ___ of the earthquake (the point directly above the focus).

• epicenter
• hypocenter

Scientists use a ____ to detect and measure earthquake waves.

• seismograph
• seismometer

A measure of the amount of energy that an earthquake releases is ___.

• intensity
• magnitude