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Midterm Review
Test Description: Integrated science 9th
Instructions: Answer all questions to get your test result.
1) If you ride your bike up a hill, then ride down the other side, your acceleration is
A
first negative, then positive
B
all positive
C
first positive, then negative
D
all negative
2) how many meters are there in 1,568 cm
A
1.568
B
156.8
C
15.68
D
0.1568
3) A factor that is manipulated in an experiment to change the depenmdent variable is the
A
dependent variable
B
constant
C
independent variable
D
control
4) According to the law of conservation of energy, the total amount of energy in the universe
A
decreases
B
remains constant
C
changes constantly
D
increases
5) The kinetic energy of an object increases as its ________ increases
A
potential energy
B
velocity
C
gravitational energy
D
specific heat
6) A device that does work with only one movement and changes the size or direction of a force is a(n)
A
screw
B
compound machine
C
effort machine
D
simple machine
7) An inclined plane wrapped around a cylindrical post is a
A
lever
B
block and tackle
C
screw
D
ramp
8) The size of the pravitational force between two objects depends on their
A
frictional force
B
masses and the distance between them
C
speed and direction
D
inertia
9) A feather will fall more slowly than a brick because of
A
momentum
B
air resistance
C
gravity
D
inertia
10) Water waves are
A
transverse waves
B
both a and b
C
compressional waves
D
seismic waves
*select an answer for all questions
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