Sedimentary Rocks, Fossils, and Fossil Fuels

Erosion is one of the processes involved in the formation of sedimentary rock. Which of these best describes the process of erosion?

Rocks are broken into smaller pieces that remain in the same location.

Pressure compacts layers of sediment and turns them into rock.

Pieces of rock or soil are carried from one place to another.

Sediment grains fall to the bottom of a lake to form sedimentary layers.

Fossils can be found in which of the following?

A. Seashells

B. Sedimentary rocks

C. Metamorphic rocks

D. Igneous rocks

Why do paleontologists study fossils?

A. Fossils can help predict climate changes.

B. Fossils help keep species from becoming extinct.

C. Fossils help understand and know of past organisms and their environments.

D. Fossils help understand what to expect in the future.

What is a fossil?

A. An organism’s remains from the future

B. A person who studies bones

C. The remains or marks of an ancient organisms that have been preserved in rock

D. Rock that is formed in layers

The four different types of fossils are-

A. Metamorphic, sedimentary, igneous, and sandstone

B. body , cast, mold, trace

C. Body, mold, imprint, bones

D. Tiny, small, medium, and large

Scientists use the rocks layers in a sedimentary rock in order to determine the relative age of the fossils. The oldest fossils are found in -

A. Layers of limestone

B. The deepest rock layers

C. Rock layers inside of caves

D. Rock layers nearest the surface of the Earth

What is the correct order of the formation of sedimentary rock? Choose the correct order.

A. Weathering rocks, erosion of sediments, deposition, compaction of sediments, cementation

B. deposition, erosion of sediments, weathering rocks, compaction of sediments, cementation

C. Weathering rocks, deposition, erosion of sediments, sediments compressing, cementation

D. None of the above.

A paleontologist finds the fossils of a sea creature on top of a mountain range. What can the paleontologist conclude from his evidence?

A. The sea creatures used to live on land.

B. The mountain was built up from deposition after the sea creatures died.

C. The fossil was placed there by someone else.

D. The land was probably once covered with water.

What is a paleontologist?

A. A scientist who studies about life

B. A scientist who studies ancient life using fossils

C. A person who studies animals

D. A person who likes bones

An ancient fossil of a fish was found in a very dry area. What does this suggest about how the area used to look?

A. The land was a dense forest.

B. The land was a dry desert.

C. There was once water in the area.

D. The fossil was moved because there could not have been water there in the past.

All of the following are necessary in the formation of sedimentary rocks EXCEPT-

A. Sediment

B. Time

C. Pressure

D. Wood

Several layers of sedimentary rock are illustrated. They are in the same order as they were when they first formed. Which layer of rock formed last?

A. Rock Layer A

B. Rock Layer B

C. Rock Layer C

E. Rock Layer E

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