7th Grade Final: The Changing Earth

A rotating low-pressure weather system that has organized thunderstorms but no fronts, and maximum sustained winds reach 74 mph.

• tornado

• hurricane

• earthquake

• volcano

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

A violently rotating column of air touching the ground, usually attached to the base of a thunderstorm.

• tornado

• hurricane

• earthquake

• volcano

Tags

NGSS.MS-ESS2-5

An opening in the earth's crust through which lava, volcanic ash, and gases escape.

• tornado

• hurricane

• earthquake

• volcano

Tags

NGSS.MS-ESS3-2

Any sudden shaking of the ground caused by the passage of seismic waves through Earth's rocks.

• tornado

• hurricane

• earthquake

• volcano

Tags

NGSS.MS-ESS3-2

A period of time when an area or region experiences below-normal precipitation.

• flash flood

• flood

• desert

• drought

A flood caused by heavy or excessive rainfall in a short period of time, generally less than 6 hours.

• flash flood

• flood

• desert

• drought

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-2

Streams of molten rock that pour or ooze from an erupting vent.

• mudslide

• lava flow

• pyroclastic flow

• liquefaction

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-2

The geological process in which earthen materials are worn away and transported by natural forces such as wind or water.

• weathering

• erosion

• deposition

• subduction

Tags

NGSS.MS-ESS2-2

A hot, chaotic mixture of rock fragments, gas, and ash that travels rapidly away from a volcanic vent or collapsing flow front

• mudslide

• lava flow

• pyroclastic flow

• liquefaction

Tags

NGSS.MS-ESS3-2

The action or process in plate tectonics of the edge of one crustal plate descending below the edge of another.

• subduction

• plate tectonics

• mid-ocean ridge

• sea-floor spreading

Tags

NGSS.MS-ESS3-2