8 Grade Science STAAR - Plainview ISD...8.6c R According to Newton’s law of inertia, a ball that...
Transcript of 8 Grade Science STAAR - Plainview ISD...8.6c R According to Newton’s law of inertia, a ball that...
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8th
Grade
Science
STAARReporting Category 2
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8.6a R
Examine the diagram above. What is the total amount of force acting on
the box and in which direction? _________N to the __________
What is the total net force and in what direction are they moving?
___________N to the ______________
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50N to the Left
2N to the Right
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8.6b S
________ is a measurement of the rate of
change of position with respect to time
____________ is a measurement of speed and
direction of an object
____________ is a change of an
object’s speed or direction
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Speed
Acceleration
Velocity
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8.6c R
According to Newton’s law of inertia, a ball that is rolling across the ground
will __________________unless there is an opposing force acting on it.
What force needs to be applied to a 20 kg
bowling ball to give it an acceleration of 5
m/s2? ____________________
Which of Newton’s Laws does the
balloon represent?_____________
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Continue to Roll
3rd
100N
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7.7a S
A boy pulls on his dog’s leash, but the dog does not move. Since the dog
did not move _______ work was done on the dog.
The goal of a simple machine is to reduce the amount of _________needed
to move an object.
Look at the picture of the pulley lifting a 50 kg load. If a force is applied to
the rope, then the load will move in which direction? _________
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No
Force
Up
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______________ energy is energy
that is stored waiting to be released.
6.8a S
__________ energy is
the energy of motion.
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Kinetic
Potential
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6.8c S
______ = d
T
To calculate speed you have
to know ______________
and time.
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Speed
d
TS
Distance
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6.8d S
Look at the graph of the speed of
a car over time and distance.
Judging by the graph, the speed
of the car can be said to
be:___________________
What is the motion of the car in
the graph above?
The car is ____________ and
then __________.
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Constant
Accelerating
Decelerating
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6.9c S
Which of the following best describes the energy
transformations that occur when a flashlight is turned
on?
Which of the following energy transformations
occur when a lamp switch is turned on?
Which kind of energy change occurs when a match is
lit?
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Chemical to light
Chemical to electrical to light
Electrical to light