Amplify - Earth's Features - Chapter 2 Vocabulary

Front

What happens to sediment to form rock layers?

Back

Sediment gets compacted by the sediment above it and cements together to form a layer of rock.

Front

What type of rock is likely to form in slow-moving water?

Back

Siltstone is likely to form in an environment with slow-moving water.

Front

How do rocks provide information about past environments?

Back

Different sediment builds up in different environments, leading to the formation of different kinds of sedimentary rocks.

Front

What is an environment?

Back

An environment includes all the living and nonliving things in an area.

Front

In which environment is gravel most likely to build up?

Back

Gravel is most likely to build up in fast-moving water environments.

Front

What is sediment?

Back

Sediment is small pieces of rock, minerals, or organic material that are transported by wind, water, or ice.

Front

What is the process of sediment turning into rock called?

Back

The process is called lithification, which includes compaction and cementation.

Front

What is a sedimentary rock?

Back

A sedimentary rock is formed from the accumulation and compaction of sediment.

Front

What is the difference between igneous and sedimentary rocks?

Back

Igneous rocks form from cooled magma or lava, while sedimentary rocks form from compressed sediment.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism.