fossil record

Question 1

uniformitarianism

Answer 1

the theory that changes in the earth’s crust during geological history have resulted from the action of continuous and uniform processes.

Question 2

catastrophism

Answer 2

the theory that changes in the earth’s crust during geological history have resulted chiefly from sudden violent and unusual events.

Question 3

paleontology

Answer 3

the branch of science concerned with fossil animals and plants.

Question 4

relative dating

Answer 4

Relative dating is the science of determining the relative order of past events, without necessarily determining their absolute age.

Question 5

absolute dating

Answer 5

Absolute dating is the process of determining an age on a specified chronology in archaeology and geology.

Question 6

superposition

Answer 6

the ability of a quantum system to be in multiple states at the same time until it is measured.

Question 7

isotope

Answer 7

Isotopes are two or more types of atoms that have the same atomic number and position in the periodic table

Question 8

radioactive decay

Answer 8

the process in which a radioactive atom spontaneously gives off radiation in the form of energy or particles to reach a more stable state.

Question 9

half-life

Answer 9

Half-Life is a series of first-person shooter games developed and published by Valve.

Question 10

fossil

Answer 10

Fossil Group, Inc., is an American fashion designer and manufacturer founded in 1984 by Tom Kartsotis and based in Richardson, Texas.

Question 11

trace fossil

Answer 11

a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.

Question 12

mold

Answer 12

mold

Question 13

cast

Answer 13

If this imprint fills in with minerals from sediment and groundwater, it can harden to form a fossil.

Question 14

unconformity

Answer 14

a break in time in an otherwise continuous rock record

Question 15

mass extinction

Answer 15

An extinction event is a widespread and rapid decrease in the biodiversity on Earth.

Question 16

Jurassic period

Answer 16

The Jurassic is a geologic period and stratigraphic system that spanned from the end of the Triassic Period 201.3 million years ago

Question 17

Cretaceous period

Answer 17

The Cretaceous is a geological period that lasted from about 145 to 66 million years ago.

Question 18

Devonian period

Answer 18

The Devonian is a geologic period and system of the Paleozoic, spanning 60.3 million years

Question 19

Quaternary period

Answer 19

the third and last of the three periods of the Cenozoic Era.

Question 20

Permian period

Answer 20

The Permian is a geologic period and stratigraphic system which spans 47 million years