Transcript Name the three basic cloud types

Name the three basic cloud types
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Stratus, cumulonimbus, and cirrus
Nimbus, cirrus, stratus
Stratus, cirrus, and cumulus
Stratocirrus, cirrus, and cumulus
A force can be defined as a
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An attraction or repulsion
A push or a pull
Interaction between two objects
Involves momentum
Momentum does not require for
the object to have
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Mass
Velocity
Movement in a specific direction
Acceleration
For an object to have inertia, the
object can
• Be at rest
• Move at a constant momentum
• Have no interaction with external
forces
• None of the above
Air quality is influenced by
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The amount of particulates in the air
the amount of ozone in the air
The amount of water in the air
All of the above
Force is measure in
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Newtons
(kg)(m)/sec2
Both A and B
None of the above
An example of a second class
lever would be a
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Wheelbarrow
Elbow
Seesaw
None of the above
What type of instrument
measures the relative humidity of
the air
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Hydrometer
Barometer
Anemometer
Hygrometer
Newton’s second law of motion
involves
• The relationship between mass and
acceleration
• the equivalent but opposite forces of
action and reaction
• How inertia keeps a body in motion
• All of the above
The mechanical advantage
describes
• The efficiency of the machine
• How much force the machine can handle
• What force is needed to operate the
machine
• How many parts are involved with the
machine
Newton’s third law of motion
applied to a airplane in the air
would involve the following forces
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Thrust and drag
Lift and gravity
Both A and B
None of the above
The chance for severe weather
increases with
• A cold front and a low pressure system
• A warm front and a high pressure
system
• A cold front and a high pressure system
• All of the above situations would
increase the chance for severe weather
The mechanical advantage of an
inclined plane is calculated by
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The base divided by the height
The base divided by the thickness
The slope divided by the height
The slope divided by the base
The weight of an object is
calculated by
• Multiplying the object’s mass and the
size of the object
• Multiplying the object’s mass by the
acceleration due to gravity
• Multiplying the object’s density by the
object’s mass
• Multiplying the object’s volume by the
acceleration due to gravity
You can determine the velocity of
an object by
• Dividing the distance traveled by the
time traveled
• Dividing the acceleration of the object
by the time traveled
• Multiplying the speed of the object by
the time traveled
• Determining the speed and direction of
the object
Inertia only occurs when
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The object is at rest
The object is at a constant momentum
Both A and B
None of the above
What would have to occur for the
production of large hail
• A very strong low pressure system
• The presence of a tornado in the
vacinity
• A highly developed storm convection cell
• All of the above
A fulcrum is used in what type of
simple machine
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Pulley
Inclined plane
Lever
Wheel and axle
The acceleration due to gravity
would be greatest on
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Earth
Mercury
Saturn
Mars
Climate change could be most
affected by
• Presence of carbon dioxide in the
atmosphere
• The amount of ozone in the atmosphere
• The amount of precipitation over time
• All of the above
Greenhouse gases include
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Carbon monoxide
Carbon dioxide
Nitrogen oxides
All of the above
Weight and mass would be
equivalent if
• There was no acceleration due to
gravity
• There was no significant gravitational
force
• The acceleration due to gravity was 1
m/sec2
• None of the above
Gravitational force increases as
• The two objects
• The two objects
• The two objects
mass
• The two objects
get closer together
are similar in mass
are very different in
get farther apart
Centripetal force of an object is
directed
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Toward the center
Away from the center
At a right angle from the radius
None of the above
Torque increases as
• The force moves away from the point of
rotation
• The force moves closer to the point of
rotation
• The length of the lever increases
• The force occurs directly at the point
of rotation
Greenhouse gases can be reduced
by
• Reducing the amount of automobile
exhaust
• Using more solar energy to heat homes
• Reducing the use of plastic containers
• All of the above
The amount of work is measured
in
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Joules
N-m
Both A and B
None of the above
Power can be described by
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Watts
Joules divided by time
N-m/sec
All of the above
Satellites are useful for
• Determining oceanic surface
temperatures
• Determining development of storm
systems
• Determining the presence of air
particulates
• All of the above
The mechanical advantage of a
wheel and axle is calculated by
• Dividing the radius of the axle by the
radius of the wheel
• Dividing the radius of the wheel by the
thickness of the wheel
• Dividing the radius of the wheel by the
radius of the axle
• Dividing the radius of the wheel by the
length of the axle
The distance a projectile travels
is influenced by
• The initial velocity of the projectile
• The angle at which the projectile is
launched
• The height at which the projectile is
launched
• All of the above
Acceleration can be measured by
• Determining the slope of a line from a
graph of velocity versus time
• Determination of acceleration by
knowing the weight and mass of an
object
• Dividing the change of velocity over a
known amount of time
• All of the above
Fossil fuels include
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Natural gas
Coal
Gasoline
All of the above
Centrifugal force occurs
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Directly away from the center
Perpendicular to the radius
Both A and B
None of the above
On a seesaw a force of 100 N at 1 m from the
fulcrum can be balanced by a 25 N force at what
distance from the fulcrum on the other side
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2m
4m
1m
8m
If the gravitational force of the moon is approximately
one sixth of the earth’s gravitational force, an object that
weighs 100 lbs on earth would weigh ____ on the moon
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160 pounds
33.4 pounds
16.7 pounds
100 pounds
The mechanical advantage of a
wedge increases as
• The slope of the wedge increases
• The thickness of the wedge decreases
• The ratio of the slope to the thickness
increases
• All of the above
A change in the momentum of an
object occurs
• When an external force is applied on
the system
• The mass of the object changes
• There is a change in direction the
object is travelling
• All of the above
The change of momentum can be
calculated by
• Multiplying the force applied by the
time the force is applied
• Multiplying the mass of the object by
the velocity of the object
• Both A and B
• None of the above
The layer of the atmosphere
where weather occurs is the
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Stratosphere
Mesosphere
Thermosphere
troposphere
What is the slope of a graph of
velocity versus time of an object
with an acceleration of 50 m/sec2
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100 m/sec2
50 m/sec2
100 m/sec
50 m/sec
What is the velocity of an object
with an acceleration of 100
m/sec2 after 3 seconds?
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100 m/sec
150 m/sec
200 m/sec
300 m/sec