Intro To Physical Science

Front 1

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

Back 1

Mold

Front 2

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

Back 2

Uncomformity

Front 3

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

Back 3

particles and energy

Front 4

Eras of geologic time are subdivided into
epochs.
periods.
decades.
centuries.
none of the above.

Back 4

Periods

Front 5

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

Back 5

Trace Fossil

Front 6

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

Back 6

Petrified Fossil

Front 7

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

Back 7

Absolute Age

Front 8

The Age of Reptiles occurred in the
Paleozoic Era
Cenozoic Era
Paleozoic Era
Precambrian Time
Mesozoic Era

Back 8

Mesozoic Era

Front 9

Which of the following is not a fossil fuel?
coal
wood
oil
natural gas
these are all fossil fuels

Back 9

Wood

Front 10

Wind and water energy are both indirect forms of
nuclear energy.
electrical energy.
solar energy.
geothermal energy.

Back 10

Solar energy

Front 11

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

Back 11

Neutron

Front 12

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

Back 12

Hydrogen

Front 13

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

Back 13

Renewable

Front 14

The process whereby oil is separated into various products in called
distillation
combustion
osmosis
refining

Back 14

Refining

Front 15

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

Back 15

A fundamental from of matter

Front 16

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

Back 16

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
all types of rocks change from one type to another over time.
sedimentary rocks form directly from molten magma.
rocks remain unchanged over time.
igneous and metamorphic rocks do not change over time, but sedimentary rocks do.

Back 17

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

Front 18

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

Back 18

A plutonic Rock

Front 19

Sedimentary rocks cover about ____ percent of the Earth's continents.
5
25
95
75

Back 19

75%

Front 20

Sandstone, siltstone, and shale are
clastic sedimentary rocks.
organic sedimentary rocks.
chemical sedimentary rocks.
igneous rocks.
metamorphic rocks.

Back 20

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

A&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

Both beds

Front 23

Mud converts to shale and organic material converts to liquid petroleum
when pressure and temperature are decreased by burial under younger sediment.
very quickly in the ocean.
when pressure and temperature are increased due to burial under younger sediment.
in the range of 0 to 30oC.

Back 23

when pressure and temperature are decreased by burial under younger sediment

Front 24

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

Back 24

an oil-soaked sponge