Predicting Natural Disasters MS-ESS3-2

NGSS

A smaller earthquake that follows a bigger one

Aftershock

A smaller earthquake that follows a bigger one. Aftershock. An aftershock is a smaller earthquake that happens after the main earthquake as the ground settles.

a sudden shaking of rock in the Earth's crust

Earthquake explained in an easy to understand way.

A wide valley through which a river flows and can overflow

Flood plain

A wide valley through which a river flows and can overflow. Flood plain. A flood plain is flat land near a river that can get covered with water when the river spills over its banks.

a large tropical storm with winds of more than 74 mph

Hurricane explained in an easy to understand way.

the sudden movement of loose rock and soil down a slope

Landslide explained in an easy to understand way.

A measurement of earthquake magnitude, based on seismic wave size

Richter scale

A measurement of earthquake magnitude, based on seismic wave size. Richter scale. The Richter scale measures how strong an earthquake is by looking at the size of its seismic waves.

An energy wave caused by an earthquake

Seismic wave

An energy wave caused by an earthquake. Seismic wave. Seismic waves are vibrations that travel through the Earth when the ground shakes during an earthquake.

An instrument that records seismic waves

Seismograph

An instrument that records seismic waves. Seismograph. A seismograph is a tool that measures and records the shaking of the ground during an earthquake.

A huge wave caused by an underwater earthquake

Tsunami

A huge wave caused by an underwater earthquake. Tsunami. A tsunami is a large ocean wave that can flood areas when an earthquake occurs under the sea.

a mountain through which lava flows to Earth’s surface

Volcano explained in an easy to understand way.