Grade 7 Unit 2: Petroleum and Hydrocarbons

Vocabulary flashcards covering petroleum, alternative terms, and associated hydrocarbon chemical formulas from Grade 7 Unit 2.

Petroleum

A fossil fuel, crude oil, and hydrocarbon (also referred to simply as oil).

Methane

A chemical compound with the formula $CH_4$.

Propane

A chemical compound designated in the notes by the formula $C_3H_8$.

Ethane

A chemical compound designated in the notes with the formula $C_2H_6$.

Crude oil

Another name used to refer to petroleum.

Hydrocarbon

An organic chemical compound composed exclusively of hydrogen and carbon atoms.

Fossil fuel

An energy source formed over millions of years from the buried and decomposed remains of ancient living organisms.

Geological origin of petroleum

Ancient oceans where organic sediment settled and was subjected to intense heat and pressure over time.

U.S. states highlighted for oil

Pennsylvania and Texas.