A

B

    
BANG
the sound of falling objects; in reference to sounds made by earthquakes
 
BASALT
a dark colored igneous rock( dark color is used by high amounts of iron and magnesium) with very small minerals, cooled relatively quick
 

C


CONE
the general shape of volcanoes; looking  like an upside down, flat ice cream cone
 
CONTINET
a large land mass that is above water, usually made of less dense material compared to the surface of the oceanic crust
 
CRASH
the sound of glass breaking during an earthquake
 
CRUST
the outermost shell of the earth, about 71km
   

D


DAMAGE
harm to structures, animals , or humans during earthquakes and /or volcanos 
 
DIATOMITE
 a very light, white rock that contains dioatoms (one-celled plants)
 
DRIFT
referring to the movement of continets over time

E


EARTH
one of the planets that evolve around the sun in the solar system
 
EARTHQUAKE
a shaking or trembling of the earth
 

F

G


GROW
referring to volcanoes as they increase in size
   

H


 HAZARDS
a source of danger
   

I

J

K

L


LAVA
 molten material that is erupted from a volcano
   

M

 
MAGMA
a molten fluid which may consolidate into a rock
 
MODERATE
an earthquake that is neither weak nor strong
 
MOUNTAIN
a large structure whose peaks lie above sea level
 
MOVEMENT
referring to the slow crustal displacement
   

N

O


OBSIDIAN
an igneous rock that cooled very quickly, therefore not allowing minerals to form
   

P

PLATES
 a large piece of earth and ocean area that comprises the earth's crust
 PLATE TECTONICS
the study of the movement of the earth's crust due mainly to forces in the crust and upper mantle of the earth's interior
 
PUMICE
a light colored , glassy, porous  rocks that was formed by the passing of gases through molten lava

Q

R

 
ROCK
a hard substance that comes from the earth's interior either by erosion (sedimentary), cooled molten materials (igneous), or changed under pressure and temperature (metamorphic)
 
RUMBLE
referring to the sounds of an earthquake; a natural sound that the earth makes when it shakes
 

S


SEA COOKIE
a relative of the sand dollar(echinoderm), that lives in the sandy- mud offshore
 SHAKE
referring to the movement that is felt when an earthquake occurs
 
SOUND
 
STRESS
a force applied to an area
 
STRONG
referrring to an earthquake of great intensity
 
STYROFOAM

T

U

V


VOLCANO
formed when hot, melted rock erupts and builds a mountain like structure on the surface of the earth
   

W


WEAK
referring to a very mild shaking during an earthquake; in most cases not even felt
   

X

Y

Z