Quiz Two- Earth Materials And Time

Front 1

A hollow area in sediment in the shape of all or part of an organism is referred to as a
a) mold.
b) cast.
c) trace fossils.
d) carbon film.
e) none of the above.

Back 1

a) mold.

Front 2

A gap in the geologic record formed when sedimentary rocks cover an erosion surface is called a/an...
a) intrusion.
b) unconformity.
c) fault.
d) extrusion.
e) none of the above.

Back 2

b) unconformity.

Front 3

When a radioactive element decays, it releases...
a) potassium-40.
b) particles and energy.
c) carbon-14.
d) uranium gas.
e) none of the above.

Back 3

b) particles and energy.

Front 4

Eras of geologic time are subdivided into...
a) epochs.
b) periods.
c) decades.
d) centuries.
e) none of the above.

Back 4

b) periods.

Front 5

A dinosaur footprint in a rock is an example of a
a) trace fossil.
b) carbon film.
c) cast.
d) mold.
e) none of the above.

Back 5

a) trace fossil.

Front 6

A fossil in which minerals have replaced all or part of an organism is called a
a) trace fossil.
b) carbon film.
c) cast.
d) mold.
e) petrified fossil.

Back 6

e) petrified fossil.

Front 7

The exact number of years since an event has occurred is referred to as
a) absolute age
b) relative age
c) half-life age
d) geologic age
e) none of the above.

Back 7

a) absolute age

Front 8

The Age of Reptiles occurred in the
a) Paleozoic Era
b) Cenozoic Era
c) Paleozoic Era
d) Precambrian Time
e) Mesozoic Era

Back 8

e) Mesozoic Era

Front 9

Which of the following is not a fossil fuel?
a) coal
b) wood
c) oil
d) natural gas
e) these are all fossil fuels

Back 9

b) wood

Front 10

Wind and water energy are both indirect forms of
a) nuclear energy.
b) electrical energy.
c) solar energy.
d) geothermal energy.

Back 10

c) solar energy.

Front 11

The particle used to start a nuclear fission reaction is a/an
a) proton
b) electron
c) alpha particle
d) neutron
e) none of the above

Back 11

d) neutron

Front 12

Which of the following is not a biomass fuel?
a) methane.
b) gasohol.
c) hydrogen.
d) sugar-cane wastes.
e) these are all biomass fuels

Back 12

c) hydrogen.

Front 13

Tides are an energy source that is...
a) used extensively in Europe and Asia.
b) renewable.
c) non-renewable.
d) can not be used to generate power.
e) projected to become a major source of electrical energy in the next 25 years.

Back 13

b) renewable.

Front 14

The process whereby oil is separated into various products in called
a) distillation
b) combustion
c) osmosis
d) refining

Back 14

d) refining

Front 15

Which of the following does not describe a mineral?
a) a fundamental form of matter that cannot be broken into simpler substances by ordinary chemical processes
b) the building blocks of rocks
c) a naturally occurring, inorganic solid with a characteristic chemical composition and a crystalline structure
d) natural gems

Back 15

a) a fundamental form of matter that cannot be broken into simpler substances by ordinary chemical processes

Front 16

Which of the following best describes an element?
a) a small, dense, positively charged subatomic particle.
b) a fundamental form of matter that can be broken into simpler substances by ordinary chemical processes.
c) a fundamental form of matter that cannot be broken into simpler substances by ordinary
chemical processes.
d) a naturally occurring, inorganic solid with a characteristic chemical composition and a crystalline structure.

Back 16

c) a fundamental form of matter that cannot be broken into simpler substances by ordinary
chemical processes.

Front 17

The rock cycle describes geologic processes in which
a) all types of rocks change from one type to another over time.
b) sedimentary rocks form directly from molten magma.
c) rocks remain unchanged over time.
d) igneous and metamorphic rocks do not change over time, but sedimentary rocks do.

Back 17

a) all types of rocks change from one type to another over time.

Front 18

Granite is an example of
a) an extrusive rock.
b) a plutonic rock.
c) a volcanic rock.
d) a rock that solidified rapidly on the Earth's surface.

Back 18

b) a plutonic rock.

Front 19

Sedimentary rocks cover about ____ percent of the Earth's continents.
a) 5
b) 25
c) 95
d) 75

Back 19

d) 75

Front 20

Sandstone, siltstone, and shale are
a) clastic sedimentary rocks.
b) organic sedimentary rocks.
c) chemical sedimentary rocks.
d) igneous rocks.
e) metamorphic rocks.

Back 20

a) clastic sedimentary rocks.

Front 21

Scientists have noted that mass extinctions have coincided with
a) unusually high rates of volcanic activity.
b) meteorite impacts.
c) slow step-wise evolution.
d) a and b

Back 21

d) a and b

Front 22

Imagine that you found two sandstone beds about 200 kilometers apart. The rock in one region was similar to the rock in the other, but one bed was several million years older than the other. From this information, you would conclude that
a) the two beds were time correlated.
b) both beds would contain the same index fossils.
c) the two beds were lithologically correlated.
d) a and b

Back 22

b) both beds would contain the same index fossils.

Front 23

Mud converts to shale and organic material converts to liquid petroleum
a) when pressure and temperature are decreased by burial under younger sediment.
b) very quickly in the ocean.
c) when pressure and temperature are increased due to burial under younger sediment.
d) in the range of 0 to 30°C .

Back 23

c) when pressure and temperature are increased due to burial under younger sediment.

Front 24

An oil reservoir is most similar to
a) an underground pool or lake.
b) a thick deposit of tar.
c) kerogen saturated shale.
d) an oil-soaked sponge.

Back 24

d) an oil-soaked sponge.