TEST: Fossils and Sedimentary Rocks

To make a sedimentary rock it usually takes

• about a week

• about a year

• about a month

• hundreds or thousands of years

What processes melt rocks together?

• erosion

• heat and pressure

• weathering

• deposition

What rock process drops sediments in a new place?

• erosion

• cementation

• weathering

• deposition

If you found this type of fossil it would tell you that a large lake used to be there.

• reptile fossil

• mouse fossil

• freshwater fish fossil

• leaf fossil

The rock layer that is on the top is the

• youngest

• middle aged

• oldest

What causes sediment to cement or glue together?

• Sand and wind

• Salt water

• Ice from a glacier

• Pressure

When a fossil is found it tells us about the earth's environment that happened a long time ago.

• True

• False

Sandstone is formed near the beach when sediments are deposited by the action of waves

• True

• False

The preserved parts or traces of animals and plants that lived in the past

• sediment

• fossil

• decay

• weathering

Rock made of layers of compressed organic and inorganic sediments

• decay

• fossil

• sedimentary rock

• sand