Fossil Record Vocab

Question 1

uniformitarianism

Answer 1

.the theory that changes the earths crust during history

Question 2

catastrophism

Answer 2

.the theory that changes the earths crust during history that has occured of violence

Question 3

paleontology

Answer 3

the study of dinosaur bones

Question 4

relative dating

Answer 4

. the relative order of past events

Question 5

absolute dating

Answer 5

.unwanted certainly of accuracy

Question 6

superposition

Answer 6

.the layering of sediments

Question 7

isotope

Answer 7

.the appliance for determining the changes in position of things

Question 8

radioactive decay

Answer 8

.the transportation of a nucleus

Question 9

half-life

Answer 9

.the time taken for radioactivity

Question 10

fossil

Answer 10

.the remains of a dead organism over time

Question 11

trace fossil

Answer 11

.the fossil of a footprint or burrow

Question 12

mold

Answer 12

.the non-real sculpture of something

Question 13

cast

Answer 13

.throw something forcefully

Question 14

unconformity

Answer 14

.a surface contact between 2 groups

Question 15

mass extinction

Answer 15

.when a whole group of something goes extinct

Question 16

Jurassic period

Answer 16

.when dinosaurs were alive 55 million years ago

Question 17

Cretaceous period

Answer 17

.period from about 145.5 and 65.5 million years ago

Question 18

Devonian period

Answer 18

.a period from 60 million years ago

Question 19

Quaternary period

Answer 19

.a period from 2.58 million and 11.7 thousand years ago

Question 20

Permian period

Answer 20

.a period from 299 to 251 million years ago