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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
all positive
B
all negative
C
first negative, then positive
D
first positive, then negative
2) how many meters are there in 1,568 cm
A
0.1568
B
15.68
C
156.8
D
1.568
3) A factor that is manipulated in an experiment to change the depenmdent variable is the
A
dependent variable
B
constant
C
control
D
independent variable
4) According to the law of conservation of energy, the total amount of energy in the universe
A
changes constantly
B
remains constant
C
decreases
D
increases
5) The kinetic energy of an object increases as its ________ increases
A
potential energy
B
specific heat
C
velocity
D
gravitational energy
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
simple machine
D
effort machine
7) An inclined plane wrapped around a cylindrical post is a
A
screw
B
ramp
C
lever
D
block and tackle
8) The size of the pravitational force between two objects depends on their
A
frictional force
B
speed and direction
C
masses and the distance between them
D
inertia
9) A feather will fall more slowly than a brick because of
A
momentum
B
inertia
C
air resistance
D
gravity
10) Water waves are
A
compressional waves
B
both a and b
C
transverse waves
D
seismic waves
*select an answer for all questions
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