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6th Grade Physical Science
Test Description: Matter in Motion
Instructions: Answer all questions to get your test result.
1) What is an object that appears to stay in place that helps you detect motion in another object?
A
a reference point
B
a newton
C
a lubricant
D
a black hole
2) Which is an example of friction that is helpful?
A
the erosion of soil by wind
B
car engine parts wearing out
C
tires moving a car forward on a road
D
holes developing in your socks
3) To calculate an object's acceleration, you need to know
A
distance traveled and speed
B
average speed and distance
C
starting point, endpoint, and the object's mass
D
starting velocity, final velocity, and time it takes to change velocity
4) The gravitational pull is greater between two objects that
A
are farther apart
B
are moving at greater speed
C
have rougher surfaces
D
have greater masses
5) What is the net force of an object when you combine a force of 10 N north with a force of 5 N south?
A
50 N north
B
15 N north
C
5 N south
D
5 N north
6) Mass is
A
different on the moon than on Earth
B
a measure of the amount of matter
C
measured in newtons
D
a measure of gravitational force
7) Dividing the total distance traveled by the total time is how to calculate
A
average motion
B
average speed
C
average velocity
D
average acceleration
8) The difference between speed and velocity is that
A
speed involves time, while velocity does not
B
speed has direction, while velocity does not
C
velocity involves time, while speed does not
D
velocity involves direction, while speed does not
9) To produce change in motion, a force must be a(n)
A
unbalanced force
B
gravitational force
C
frictional force
D
balanced force
10) When a mover puts furniture on a dolly with wheels, which type of friction is the mover using to make his job easier?
A
static friction
B
rolling kinetic friction
C
gravitational friction
D
sliding kinetic friction
*select an answer for all questions
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