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Chapter 9 Vocabulary
Test Description: Chapter 9 Physical Science Test
Instructions: Answer all questions to get your test result.
1) How do you know when an object is in motion? Pick the BEST answer.
A
If it looks like it is moving.
B
If it is on wheels.
C
If its distance from another object is not changing.
D
If its distance from another object is changing.
2) What is a reference point?
A
a place or object moving away from an object which is not in motion.
B
the ending point of an object in motion.
C
a place or object used for comparison to determine if something is in motion.
D
the starting point of an object in motion.
3) What is the difference between displacement and distance?
A
Distance is the length, while displacement is only the direction.
B
Displacement is the length, while distance is the direction.
C
Distance is the length of the path between two points. Displacement is the length of a straight line
D
Displacement is the length of the path between two points. Distance is the length of a straight line
4) What is velocity?
A
Acceleration in a given direction.
B
Distance per unit of time.
C
Distance in a given direction.
D
Speed in a given direction.
5) Changes in velocity may be due to both changes in what two things?
A
speed and distance
B
distance and the object
C
time and acceleration
D
speed and direction
6) Acceleration refers to these three things
A
decrease in speed, deceleration, and change in direction
B
increase in speed, decrease in speed, and rate
C
change in direction, change in speed, change in pace
D
increase in speed, decrease in speed, and change in direction
7) The ability to do work or cause change is known as?
A
Motion
B
Energy
C
Job
D
Work
8) The kinetic energy of an object depends on what two things?
A
mass and difection
B
time and distance
C
mass and speed
D
speed and direction
9) Stored energy that results from the position or shape of an object is called?
A
Potential Energy
B
Kinetic Energy
C
Kinetic Work
D
Potential Work
10) According to the law of conservation of energy...
A
the ability to do work or cause change is known as energy
B
energy can be neither created nor destroyed
C
work is done when an object is caused to move a certain distance
D
energy can be created or destroyed
*select an answer for all questions
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