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