EARTH SCIENCE Flashcards
something that can produce heat , move objects or produce electricity
ENERGY RESOURCES
can be replenished
RENEWABLE
cannot be replenished
NON RENEWABLE
source of useful energy
ENERGY SOURCE
mainly formed from plants subjected to high heat
FOSSIL FUEL
world most abundant fossil fuel.
trapped plants ( algae and mosses )
CHONS
COAL
accumulation of partly decayed vegetation. small amount of carbonization
PEAT
tar like 45 - 86 carbon
BITUMINOUS
SUBlowest rank of coal 25 - 35 dark brown
LIGNITE
35 to 45 carbon content
SUB BITUMINOUS
highest rank of coal 97%
ANTHRACITE
also called crude oil
marine , plankton
OIL/PETROLEUM
waxy substance organic matter transform into
KEROGEN
process kerogen underwent
CATAGENESIS
regular gas C8H18
LEADED GASOLINE
ethanol C2H5OH
UNLEADED GASOLINE
mixture of C9 to C16 hydrocarbons
DIESEL
high speed engines
1 - D
C3H8
PROPANE
C10 - C16 hydrocarbons jet engine insecticide
KEROSENE
low speed engines
4 - D
C4H10
PROPANE
plants , animal and microorganisms decompose remains covered by soil , sediments
NATURAL GAS
most abundant organic compound CH4
METHANE
Source of earth’s internal heat. heat from potential to kinetic
GEOTHERMAL ENERGY
largest geothermal plant in philippines
PALINPINON
used geothermal energy directly
ICELAND
Used geothermal energy treating diseases
ROMANS
largest dam in philippines
SAN ROQUE DAM
renewable energy by fast flowing water. Produces mechanical energy
HYDROELECTRIC ENERGY
fast running water power is called
HYDROPOWER
height difference in between the reservoir and water outflow
HEAD
tunnel in which water flows
PENSTOCK