Key Vocabulary Unit Three Level 3: Natural Forces

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NATURAL FORCES KEY VOCABULARY

active

being in physical motion

carefully

taking care or paying attention

collapse

fall apart

confused

lacking orderly continuity

dangerous

causing fear or anxiety by threatening great harm

earthquake

shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity

equipment

an instrumentality needed for an undertaking or to perform a service

erupt

become active and spew forth lava and rocks

evacuate

move out of an unsafe location into safety

force

physical energy or intensity

fortunate

having unexpected good fortune

frightened

made afraid

future

the time yet to come

hurricane

a severe tropical cyclone usually with heavy rains and winds moving a 73-136 knots (12 on the Beaufort scale)

layer

single thickness of usually some homogeneous substance

levee

a barrier constructed to contain the flow of water or to keep out the sea

necessity

anything indispensable

prepare

make ready or suitable or equip in advance for a particular purpose or for some use, event, etc

severe

very bad in degree or extent

shelter

a structure that provides privacy and protection from danger

surface

the outermost level of the land or sea

untouched

not influenced or affected

volcano

a fissure in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt

warning

cautionary advice about something imminent (especially imminent danger)

affected

influenced

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