Sedimentary Rocks and Fossil Fuels Vocabulary

Front

What is humus?

Back

Decaying plant and animal material in the soil that enriches it.

Front

What does it mean to decay?

Back

To rot or break down into small parts.

Front

What is a fossil?

Back

The remains of a plant or animal that lived long ago.

Front

What are sedimentary rocks?

Back

Rocks that form when sediments are pressed together.

Front

What is clay?

Back

Materials made of very small grains of minerals.

Front

What is soil?

Back

The top layer of the earth where plants grow, made of rock and organic matter.

Front

What is loam?

Back

A type of soil that is a mixture of sand, silt, and clay, good for growing plants.

Front

What is sediment?

Back

Small pieces of rock, minerals, and organic material that can be carried by water or wind.

Front

What is the process of fossilization?

Back

The process by which remains of plants and animals are preserved in sedimentary rock.

Front

What is erosion?

Back

The process by which soil and rock are removed from the Earth's surface by wind or water.