Exam 1 Extra Credit Quizzes

Question 1

A __________ is a well tested and confirmed conclusion from an experiment

Answer 1

theory

Question 2

Differentiation of an originally homogenous Earth was due to differences in:

Answer 2

material density

Question 3

The interaction between these two systems has shaped and sculpted the Earth’s surface

Answer 3

hydrosphere and lithosphere

Question 4

_______ systems don’t allow the exchange of matter and energy into and out of the system

Answer 4

Closed

Question 5

The sphere that contains all water?

Answer 5

Hydrosphere

Question 6

the ______ is the currently accepted way the solar system formed

Answer 6

solar nebula hypothesis

Question 7

Earth’s external heat source, radiation from the Sun, does all of the following EXCEPT:

Answer 7

drives the tectonic motion of the lithosphere

Question 8

which of the following is NOT true concerning scientific hypotheses?

Answer 8

a single hypothesis may be considered in explaining a particular natural phenomena

Question 9

which of the following is NOT a step in the formal Scientific Method?

Answer 9

form a paradigm

Question 10

which of the following is NOT a step in the formal Scientific Method?

Answer 10

form a paradigm

Question 11

___________ says that the Earths history is long and the present is the key to the past

Answer 11

uniformitarianism

Question 12

according to the principle of cross-cutting relationships, if a dike is found cutting across sedimentary strata, the reasonable conclusion would be that:

Answer 12

the dike is younger than the sedimentary strata

Question 13

the amount of time it takes for half of the parent atoms to decay to daughter atoms is known as a:

Answer 13

half life

Question 14

the Geologic Time Scale was first produced using _______ dates

Answer 14

relative

Question 15

correlation of rock units is used to determine:

Answer 15

which geographically distant rock units are approximately the same age

Question 16

the currently accepted age of the Earth is:

Answer 16

4.6 billion years

Question 17

unconformities are buried?

Answer 17

erosional surfaces that separate younger strata above from older strata below

Question 18

this suffix means life when referring to the geologic time periods

Answer 18

zoic

Question 19

which of the following is not a type of fossil?

Answer 19

cementation

Question 20

according to the principle of faunal succession, one would expect:

Answer 20

very old rocks to contain fossils of only simple organisms, while younger rocks would contain fossils of both simple and complex organisms