WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION
BANK 238 QUESTIONS AND CORRECT DETAILED ANSWERS|ALREADY GRADED A+
Speed - (ANSWER)how fast an object is moving
Which of the following statements BEST describes the locations of volcanoes? -
(ANSWER)Most volcanoes are located along the edges of some continents or in chains off
the coast of continents.
Some plate boundaries have - (ANSWER)active volcanoes but some don't, and almost all
volcanoes are at boundaries.
The typical speed of a plate is - (ANSWER)a few centimeters per year.
An atmospheric instability causes a column of air to rotate. - (ANSWER)Tornado
A moist mass of air over warm ocean water condenses as it rises, forming a massive
spinning storm. - (ANSWER)hurricane
This type of storm is common at cold fronts and often produces lightning. -
(ANSWER)Thunderstorms
This is the most violent storm on Earth. - (ANSWER)tornadoes.
A hurricane has an - (ANSWER)eye in the center that is very calm.
Lightning is an - (ANSWER)electric glow that can be seen during a storm.
Differences in temperature within Earth and within the plates result in -
(ANSWER)processes that move plates.
A low-lying cloud of small water droplets that reduces visibility to less than 1 km (0.62 mi)
is called - (ANSWER)fog
Which radiation can greenhouse gases absorb that nitrogen and oxygen cannot? -
(ANSWER)Greenhouse gases can absorb infrared radiation, which nitrogen and oxygen
cannot.
Which of the following are considered greenhouse gases? - (ANSWER)carbon dioxide and
methane
, WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION
BANK 238 QUESTIONS AND CORRECT DETAILED ANSWERS|ALREADY GRADED A+
Which kind of plate boundary produced the Himalayas? - (ANSWER)Two plates pushed into
each other to push the land upward and generate a mountain range.
Greenhouse gases in Earth's atmosphere - (ANSWER)absorb infrared radiation emitted by
the ground.
After absorbing incoming solar radiation, Earth emits mostly __________, which is the
radiation associated with heat. - (ANSWER)infrared radiation
The greenhouse effect __________. - (ANSWER)helps keep Earth's surface sufficiently warm
for life to exist
The greenhouse effect occurs because greenhouse gases __________. - (ANSWER)absorb
infrared radiation emitted by the surface
If more water vapor was present in Earth's atmosphere, what would happen to Earth's
temperature? - (ANSWER)The temperature would increase.
The most abundant greenhouse gas in volcanic eruptions is __________. - (ANSWER)water
vapor
Solar radiation __________. - (ANSWER)has been increasing over the past several billion
years
Which of the following is a natural process that adds carbon dioxide to the atmosphere? -
(ANSWER)respiration
Plants remove carbon dioxide from the atmosphere and cutting down forests -
(ANSWER)increases the rate of global warming.
If the mass of the box increases, but the force remains the same, the box's acceleration will
- (ANSWER)decrease
Why does San Francisco have earthquakes? - (ANSWER)San Francisco lies along the
boundary between the North American plate and the Pacific plate. At this location, they are
grinding past each other, occasionally slipping suddenly along a transform fault.
, WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION
BANK 238 QUESTIONS AND CORRECT DETAILED ANSWERS|ALREADY GRADED A+
If the mass of an object increases, - (ANSWER)a given force will produce less acceleration.
When force increases - (ANSWER)acceleration also increases, according to Newton's
second law.
The net force acting on an object moving in a straight line at a constant speed - (ANSWER)is
zero
Friction is the force that - (ANSWER)opposes motion of an object
A force of friction does not exist if - (ANSWER)two objects are not touching.
If the distance is doubled, the force of gravity - (ANSWER)decreases
Which of the following is the LEAST abundant in Earth's atmosphere? - (ANSWER)Ozone is
a very small fraction of a percent of Earth's atmosphere and therefore not a main
component.
This gas is generally not reactive and is the most abundant in the atmosphere. -
(ANSWER)Nitrogen
This gas is used by plants to make organic compounds. - (ANSWER)Carbon Dioxide
This gas also exists as a solid and liquid at Earth temperature and cycles between the
atmosphere, land, and oceans. - (ANSWER)Water Vapor
Describe how and why air density changes with changes in altitude. - (ANSWER)Air density
decreases with an increase in altitude because air particles have mass and are pulled
down by Earth's gravity.
Density is defined as - (ANSWER)mass divided by volume.
Nitrogen is about _____ of the Earths atmosphere - (ANSWER)78%
A mechanical wave cannot travel through a - (ANSWER)vacuum.
BANK 238 QUESTIONS AND CORRECT DETAILED ANSWERS|ALREADY GRADED A+
Speed - (ANSWER)how fast an object is moving
Which of the following statements BEST describes the locations of volcanoes? -
(ANSWER)Most volcanoes are located along the edges of some continents or in chains off
the coast of continents.
Some plate boundaries have - (ANSWER)active volcanoes but some don't, and almost all
volcanoes are at boundaries.
The typical speed of a plate is - (ANSWER)a few centimeters per year.
An atmospheric instability causes a column of air to rotate. - (ANSWER)Tornado
A moist mass of air over warm ocean water condenses as it rises, forming a massive
spinning storm. - (ANSWER)hurricane
This type of storm is common at cold fronts and often produces lightning. -
(ANSWER)Thunderstorms
This is the most violent storm on Earth. - (ANSWER)tornadoes.
A hurricane has an - (ANSWER)eye in the center that is very calm.
Lightning is an - (ANSWER)electric glow that can be seen during a storm.
Differences in temperature within Earth and within the plates result in -
(ANSWER)processes that move plates.
A low-lying cloud of small water droplets that reduces visibility to less than 1 km (0.62 mi)
is called - (ANSWER)fog
Which radiation can greenhouse gases absorb that nitrogen and oxygen cannot? -
(ANSWER)Greenhouse gases can absorb infrared radiation, which nitrogen and oxygen
cannot.
Which of the following are considered greenhouse gases? - (ANSWER)carbon dioxide and
methane
, WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION
BANK 238 QUESTIONS AND CORRECT DETAILED ANSWERS|ALREADY GRADED A+
Which kind of plate boundary produced the Himalayas? - (ANSWER)Two plates pushed into
each other to push the land upward and generate a mountain range.
Greenhouse gases in Earth's atmosphere - (ANSWER)absorb infrared radiation emitted by
the ground.
After absorbing incoming solar radiation, Earth emits mostly __________, which is the
radiation associated with heat. - (ANSWER)infrared radiation
The greenhouse effect __________. - (ANSWER)helps keep Earth's surface sufficiently warm
for life to exist
The greenhouse effect occurs because greenhouse gases __________. - (ANSWER)absorb
infrared radiation emitted by the surface
If more water vapor was present in Earth's atmosphere, what would happen to Earth's
temperature? - (ANSWER)The temperature would increase.
The most abundant greenhouse gas in volcanic eruptions is __________. - (ANSWER)water
vapor
Solar radiation __________. - (ANSWER)has been increasing over the past several billion
years
Which of the following is a natural process that adds carbon dioxide to the atmosphere? -
(ANSWER)respiration
Plants remove carbon dioxide from the atmosphere and cutting down forests -
(ANSWER)increases the rate of global warming.
If the mass of the box increases, but the force remains the same, the box's acceleration will
- (ANSWER)decrease
Why does San Francisco have earthquakes? - (ANSWER)San Francisco lies along the
boundary between the North American plate and the Pacific plate. At this location, they are
grinding past each other, occasionally slipping suddenly along a transform fault.
, WGU C165 OA EXAM INTEGRATED PHYSICAL SCIENCES OA ACTUAL EXAM QUESTION
BANK 238 QUESTIONS AND CORRECT DETAILED ANSWERS|ALREADY GRADED A+
If the mass of an object increases, - (ANSWER)a given force will produce less acceleration.
When force increases - (ANSWER)acceleration also increases, according to Newton's
second law.
The net force acting on an object moving in a straight line at a constant speed - (ANSWER)is
zero
Friction is the force that - (ANSWER)opposes motion of an object
A force of friction does not exist if - (ANSWER)two objects are not touching.
If the distance is doubled, the force of gravity - (ANSWER)decreases
Which of the following is the LEAST abundant in Earth's atmosphere? - (ANSWER)Ozone is
a very small fraction of a percent of Earth's atmosphere and therefore not a main
component.
This gas is generally not reactive and is the most abundant in the atmosphere. -
(ANSWER)Nitrogen
This gas is used by plants to make organic compounds. - (ANSWER)Carbon Dioxide
This gas also exists as a solid and liquid at Earth temperature and cycles between the
atmosphere, land, and oceans. - (ANSWER)Water Vapor
Describe how and why air density changes with changes in altitude. - (ANSWER)Air density
decreases with an increase in altitude because air particles have mass and are pulled
down by Earth's gravity.
Density is defined as - (ANSWER)mass divided by volume.
Nitrogen is about _____ of the Earths atmosphere - (ANSWER)78%
A mechanical wave cannot travel through a - (ANSWER)vacuum.
