Unit 8 Vocab

Front

Dark, thick liquid fossil fuel found in Earth's rocky layer

Back

Petroleum

Front

Fuel like coal, oil, or gas from plant/animal remains

Back

fossil fuel

Front

Tall towers supporting oil-drilling equipment

Back

Derricks

Front

Factory refining crude oil into products like gasoline.

Back

refinery

Front

Clean burning gas used as fuel

Back

Natural gas

Front

Towns that grow with economic booms.

Back

boomtowns

Front

Giving money or gifts for charity or helping others

Back

Philanthropy

Front

Railroad across the continent

Back

Transcontinental Railroad

Front

Farming techniques like terracing in dry climates to retain soil moisture.

Back

Dry farming

Front

Growing crops on large farms for profit.

Back

Commercial farming