lesson2.3 sedimentary rock

Question 1

layers of rock.

Answer 1

strata

Question 2

the process in which sedimentary rocks are arranged in layers.

Answer 2

stratification

Question 3

sand grains may be compacted, or compressed, and then cemented together to form a rock.

Answer 3

Sandstone

Question 4

is made of fragments of rocks cemented together by a mineral such as calcite or quartz.

Answer 4

Clastic sedimentary rock

Question 5

cemented together.

Answer 5

Clast

Question 6

forms from solutions of dissolved minerals and water.

Answer 6

Chemical sedentary rock

Question 7

forms from the remains of once-living plants and animals.

Answer 7

Organic sedimentary rock

Question 8

the remains or physical evidence of an organism preserved by geological processes.

Answer 8

Fossils

Question 9

some limestone is made of the skeletons of tiny organisms

Answer 9

Coral

Question 10

animal remains eventually become cemented together

Answer 10

Fossiliferous limestone

Question 11

are marks form from the action of wind and water

Answer 11

Ripple marks

Question 12

form when fine-grained sediments at the bottom of a shallow body of water are exposed to the air and dry out.

Answer 12

mud cracks

Question 13

rock and mineral fragments

Answer 13

Sediment