Fossil Fuels 5th Grade

Front

A natural, non-renewable fuel such as coal, oil or natural gas, formed over millions of years from the remains of living organisms.

Back

fossil fuels

Front

A flammable liquid produced from remains of marine (ocean) organisms buried under layers of sediments for millions of years.

Back

oil

Front

A flammable material, without definite form, produced from remains of marine (ocean) organisms buried under layers of sediment found near oil deposits.

Back

natural gas

Front

A solid fossil fuel that is formed from the concentrated remains of plants over very long periods of time (formed in ancient swamps).

Back

coal

Front

Layers of rock formed when sediment is deposited and then compacted and cemented over time.

Back

sedimentary rock

Front

Pressure is put on sediments causing the grains to be squeezed more tightly together.

Back

compaction

Front

The process of sediments being glued tightly together by minerals.

Back

cementation

Front

The waste and remains of plants and animals.

Back

organic matter

Front

When organic matter rots or decays.

Back

decompose