fossil record

Question 1

uniformitarianism

Answer 1

a principle that states a geological process

Question 2

catastrophism

Answer 2

principle that states geological change that occurs suddenly

Question 3

paleontology

Answer 3

the study of fossils

Question 4

relative dating

Answer 4

any method of determining the order of witch events happen

Question 5

absolute dating

Answer 5

method of measuring age

Question 6

superposition

Answer 6

principle that states that younger rocks will be above older rocks

Question 7

isotope

Answer 7

an atom that has the same number of protons as another atom

Question 8

radioactive decay

Answer 8

the method of witch radioactive isotope decays

Question 9

half-life

Answer 9

the time needed to half a sample

Question 10

fossil

Answer 10

remains of an organism preserved by a geological process

Question 11

trace fossil

Answer 11

a fossilized mark formed in soft sedement

Question 12

mold

Answer 12

a mark or cavity made in a sedimentary surface by movement

Question 13

cast

Answer 13

mark made in sedimentary surface by a shell or other body

Question 14

unconformity

Answer 14

a break in geological record

Question 15

mass extinction

Answer 15

when an entire species’ die out suddnely

Question 16

Jurassic period

Answer 16

second period of dinosaurs

Question 17

Cretaceous period

Answer 17

first period of dinosaurs

Question 18

Devonian period

Answer 18

5th period of dinosaurs

Question 19

Quaternary period

Answer 19

4th period of dinosaurs

Question 20

Permian period

Answer 20

final period of dinosaurs