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