Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
45 Cards in this Set
- Front
- Back
|
rock
|
a hard material that composes the earth's crust
|
|
|
fossil
|
any trace left in a rock left by a plant or animal
|
|
|
gemstones
|
small deposits of igneous and metamorphic crystals
|
|
|
precious stones
|
rarest most durable and beautiful gems
Ex:diamonds,rubies |
|
|
ore
|
metal with impurities
|
|
|
precious metals
|
known for durability, rarity, and beauty
Ex:gold, silver |
|
|
iron
|
practical,most commonly used and strong
|
|
|
copper
|
reddish-orange good conductor of elect expensive
|
|
|
fossil fuel
|
derived from the remains of living things
Ex:coal and petroleum |
|
|
petrolium
|
a fossil fuel formed from living creation means "rock oil"
|
|
|
cave
|
hollow space in the earth large enough for a person to enter
|
|
|
speleology
|
scientific study of caves
|
|
|
solution cave
|
dissolving of limestone by acids in water
|
|
|
magnetic field
|
area surrounding a magnet that is surrounded by it
|
|
|
poles
|
ends of a magnet where it is most powerful
|
|
|
electronic magnet
|
becomes magnetic only with electricity
|
|
|
magnetosphere
|
region of space affected by earth's magnet
|
|
|
solar wind
|
stream of potentially harmful particles from sun
|
|
|
anthracite
|
most $
|
|
|
bituminous
|
most commonly used
|
|
|
sub-bitumnious
|
" " diddo
|
|
|
lignite
|
most impuritys
|
|
|
surface mining
|
layer by layer
|
|
|
underground mining
|
drill down
|
|
|
igneous
|
formed by lava and magma
|
|
|
sedimentary
|
layers of sediments harden into rock
|
|
|
metamorphic
|
started as igneous or sedimentary changed by heat or pressure
|
|
|
trogoloxens
|
visit the cave
|
|
|
trogophiles
|
"love' come for food or nest
|
|
|
trogobites
|
always in caves
|
|
|
extrusive rocks
|
igneous at earths surface usually result of magma out of volcano
|
|
|
intrusive rocks
|
igneous rock formed when magma remains in pockets below surface and slowly cools and hardens underground
|
|
|
mechanical sediments
|
type formed when rock is physically broken down by "mechanisms" of nature and may later get pressed into sedimentary rocks
ex: sandstone |
|
|
chemical sediments
|
formed when minerals dissolve and are carried elswhere where later chrystalize or settle out of solution
ex: halite salt |
|
|
organic sediments
|
seds that consist of dead shells animals and skeletons
ex: limestone |
|
|
foliated rock
|
layered rock
|
|
|
unfoliated rock
|
metamorphic rock not layered
ex: marble |
|
|
soda straws
|
thin hollow tubes that hang from the ceiling
|
|
|
stalagmite
|
drippings collect @ ground of cave
|
|
|
stalactite
|
thick icicles hangs from ceiling
|
|
|
columns
|
when stalagmite meets stalactite
|
|
|
draperies
|
drips down wall
|
|
|
flowstone
|
"frozen" fountain
|
|
|
cave pearls
|
deposites of calcium carbonate
|
|
|
hi hi
|
puffy ami umi
|
