Middle School Final Exam Review Question Preview (ID: 42642)
Final Exam Review.
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Displacement is the difference between the initial position and the _____ position of an object.
a) positive
b) resting
c) motion
d) final
Motion is the process of changing _____.
a) reference
b) dimension
c) displacement
d) position
The total distance traveled by an object divided by the total amount of time needed to travel equals the _____.
a) average speed
b) friction
c) average acceleration
d) net force
Which describes how velocity changes with time? (also known as the change in velocity over time)
a) acceleration
b) average speed
c) gravity
d) inertia
What is the term for speed at any instant in time?
a) instantaneous speed
b) variable speed
c) constant speed
d) average speed
When you graph the velocity of an object, you put ____ on the horizontal axis and ____ on the vertical axis.
a) speed, time
b) distance, time
c) time, speed
d) time, distance
When a car slows down at a traffic light, it is ____.
a) accelerating but with a negative sign
b) traveling at constant velocity
c) decreasing its displacement
d) changing direction
When you interpret a distance-time graph, the speed of the object is determined by _____.
a) looking at the values on the x-axis
b) looking at the values on the y-axis
c) finding the length of the graph line
d) finding the slope of the graph line
An arrow can be used to represent a force. The length of the arrow represents _____.
a) direction of the force
b) strength of the force
c) mass of the force
d) acceleration of the force
An object of large mass has _____ than an object of small mass.
a) less momentum
b) more momentum
c) less weight
d) greater acceleration
Unbalanced forces can make an object accelerate by _____.
a) changing its speed
b) changing its direction
c) both a and b
d) neither a and b
We are able to walk forward because when we push on the ground... _____.
a) we push on the air
b) we push on the ground
c) the air pushes on us
d) the ground pushes on us
Which of the following best completes the phrase? For every action there is _____.
a) a reaction
b) an equal reaction
c) an opposite reaction
d) an equal and opposite reaction
The force you have to overcome to start an object moving is ____.
a) rolling friction
b) static friction
c) sliding friction
d) air resistance
The relationship among force, mass, and acceleration is stated in ____.
a) Newton's first law of motion
b) Newton's second law of motion
c) Newton's third law of motion
d)
Steve lifted a book off the desk. Which type of energy is transferred to the book?
a) kinetic energy
b) potential energy
c) both
d)
Doing work on an object by moving it sideways transfers what type of energy to the object?
a) kinetic
b) potential
c)
d)
When sound travels through air, the particles _____.
a) vibrate along the direction the wave travels or longitudinal
b) vibrate but not in any fixed direction
c) vibrate perpendicular to the direction wave
d)
The amplitude of a wave is _____.
a) the distance the wave moves in one second
b) the distance the wave moves in one time period of the wave
c) the distance between the crest and the trough of the wave
d) the distance equal to one wave length
Which type of wave can travel through empty space?
a) sound waves
b) electromagnetic waves
c) spring waves
d) water waves
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