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Midterm Review
Test Description: Integrated science 9th
Instructions: Answer all questions to get your test result.
1) A lever with a mechanical advantage greater than 1 is used to
A
increase force
B
increase distance
C
increase force and change direction
D
change direction
2) Inertia varies depending on
A
mass
B
velocity
C
motion
D
force
3) Which of the following devices does not make use of electrical energy
A
digital camera
B
upright piano
C
radio
D
toaster
4) The SI unit that is used to measure time is the
A
second
B
meter
C
kelvin
D
kilogram
5) A horizontal line on a velocity/time graph shows ________ acceleration
A
changing
B
positive
C
zero
D
negative
6) The path of a projectile is
A
always vertical
B
straight
C
always horizontal
D
curved
7) Studying the effect of one thing on another in order to test a hypothesis is a(n)
A
problem
B
constant
C
exercise
D
experiment
8) motion is a change in
A
speed
B
velocity
C
time
D
position
9) An arrangement of pulleys designed to reduce the effort force is called a
A
movable pulley
B
fixed pulley
C
block and tackle
D
simple pulley
10) 3 m/s north is an example of a(n)
A
acceleration
B
velocity
C
position
D
speed
*select an answer for all questions
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