2.3 Sedimentary Rock

Question 1

grains of sand compacted and cemented together to form rock

Answer 1

sandstone

Question 2

a rock that forms when when rock or mineral fragments, called clasts, are cemented together

Answer 2

clastic sedimentary rock

Question 3

rock or mineral fragments

Answer 3

clasts

Question 4

rock that forms when minerals crystallize out of a solution, such as sea water, to become a rock

Answer 4

chemical sedimentary rock

Question 5

rock that forms from the remains of once-living plants and animals

Answer 5

organic sedimentary rock

Question 6

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

Answer 6

fossils

Question 7

skeletons of tiny organisms

Answer 7

coral

Question 8

huge colonies that coral lives in

Answer 8

reefs

Question 9

sedimentary rock that forms underground when partially decomposed plant material is buried beneath sediment and is changed into coal by heat and pressure

Answer 9

coal

Question 10

limestone made from the calcium carbonate from skeletons and shells of sea creatures

Answer 10

fossiliferous limestone

Question 11

the markings on sedimentary rocks that record the wave motion of wind or water

Answer 11

ripple marks

Question 12

the structures that 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

layer(s) of rock

Answer 13

strata

Question 14

the process in which sedimentary rocks are arranged in layers

Answer 14

startification

Question 15

eroded rock material

Answer 15

sediment