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PS Final Exam Review
Test Description: Final Exam
Instructions: Answer all questions to get your test result.
1) Each vertical column on the periodic table is called a(n)
A
group
B
period
C
property
D
element
2) What is the work done by a machine on an object?
A
Power
B
work input
C
work output
D
lever
3) What is physical science about?
A
relationship between light and energy
B
relationship between molecules and matter
C
relationship between matter and energy
D
relationship between matter and light
4) What are the two main branches of physical science?
A
biology and physics
B
geology and chemistry
C
chemistry and physics
D
chemistry and biology
5) In the formula P= V x I what does the I stand for
A
current
B
intensity
C
resistance
D
voltage
6) A hiker's velocity begins at 1.8 m/s uphill and changes to 1.5 m/s uphill. How do you know that the hiker has a negative acceleration?
A
His direction changed
B
His speed decreased
C
His speed increased
D
His direction was unchanged
7) Which of the following are two factors that determine speed?
A
acceleration and time
B
distance and time
C
motion and time
D
velocity and time
8) Bases have a
A
slippery feel
B
sweet taste
C
mild taste
D
sour taste
9) When the net forces equal 0 N they are which of the following?
A
unbalanced
B
balanced
10) Where are electrons likely to be found?
A
electron cloud
B
nucleus
11) What is the net force on an object when you combine a force of 10 N north with a force of 5 N south?
A
5 N South
B
5 N north
C
50 N north
D
15 N north
12) Acids have a
A
sour taste
B
slippery feel
C
bitter taste
D
soapy feel
13) Which of the following is NOT an example of a physical change
A
the explosion of fireworks
B
the shaping of a gold bar
C
the sanding of a piece of wood
D
the melting of a Popsicle
14) Which of the two factors that determine the amount of friction?
A
hills and valleys and the roughness of the surfaces
B
the force and how much surfaces come in contact
C
the force and the roughness of the surfaces
D
the force and the weight exerted on the surfaces
15) What is the smallest particle inot which an element can be divided and still be the same substance?
A
atom
B
proton
C
neutron
D
electron
16) What method is involved when charges in an uncharged metal object are rearranged without direct contact with a charged object?
A
convection
B
friction
C
induction
D
conduction
17) What is matter?
A
the stuff that is light enough to float
B
the stuff everything is made of
C
the ability to do work
D
the stuff that matters
18) What would you use to see if something is charged?
A
electric force
B
thermometer
C
electroscope
D
electric reader
19) What two things must happen for work to be done?
A
the object must move in the same direction as the force
B
the object must move and there must be an output force
C
the object must move in the opposite direction of the force
D
the object must move and the mechanical advantage must be greater than 1
20) According to Newton's first law of motion a moving object that is not acted on by an unbalanced force will
A
remain in motion
B
change its momentum
C
accelerate
D
eventually come to a stop
*select an answer for all questions
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