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Fossil Fuels

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Total cards: 8•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (8)

#1
Front (Question)

are source of energy derived from the fossilized remains of once living plants and animals million years ago.

Back (Answer)

Fossil Fuel

#2
Front (Question)

fossil fuels composed mainly of high content of ___ and ___ called ___

Back (Answer)

Carbon, Hydrogen, Hydrocarbon

#3
Front (Question)

It is solid rock form of fossil fuel that originated from the dead plant and animal matter that piled up in layers for over million years ago.

Back (Answer)

Coal

#4
Front (Question)

It is a liquid type of fossil fuel composed mostly of hydrocarbons. It comes from ancient marine organisms like marine plants, algae and bacteria.

Back (Answer)

Crude Oil

#5
Front (Question)

It is a type of fossil fuel that is odorless, and colorless

Back (Answer)

Natural Gas

#6
Front (Question)

If a natural gas is found in porous and permeable rock beds or mixed into reservoirs which can be extracted through drilling, This is called?

Back (Answer)

Conventional Natural Gas

#7
Front (Question)

Fossil fuels formation started during the what era?

Back (Answer)

Carboniferous era (359 million to 299 million years ago)

#8
Front (Question)

Main cause for these plant material to undergo chemical change.

Back (Answer)

Pressure and heat