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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
lever
B
work output
C
work input
D
Power
3) What is physical science about?
A
relationship between matter and energy
B
relationship between molecules and matter
C
relationship between matter and light
D
relationship between light and energy
4) What are the two main branches of physical science?
A
chemistry and physics
B
geology and chemistry
C
biology and physics
D
chemistry and biology
5) In the formula P= V x I what does the I stand for
A
intensity
B
resistance
C
voltage
D
current
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 was unchanged
B
His speed decreased
C
His speed increased
D
His direction changed
7) Which of the following are two factors that determine speed?
A
distance and time
B
motion and time
C
velocity and time
D
acceleration and time
8) Bases have a
A
slippery feel
B
sour taste
C
mild taste
D
sweet 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
nucleus
B
electron cloud
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
50 N north
B
5 N north
C
5 N South
D
15 N north
12) Acids have a
A
slippery feel
B
soapy feel
C
sour taste
D
bitter taste
13) Which of the following is NOT an example of a physical change
A
the melting of a Popsicle
B
the shaping of a gold bar
C
the explosion of fireworks
D
the sanding of a piece of wood
14) Which of the two factors that determine the amount of friction?
A
the force and the roughness of the surfaces
B
the force and the weight exerted on the surfaces
C
the force and how much surfaces come in contact
D
hills and valleys and the roughness of the surfaces
15) What is the smallest particle inot which an element can be divided and still be the same substance?
A
neutron
B
electron
C
proton
D
atom
16) What method is involved when charges in an uncharged metal object are rearranged without direct contact with a charged object?
A
induction
B
conduction
C
friction
D
convection
17) What is matter?
A
the stuff everything is made of
B
the ability to do work
C
the stuff that is light enough to float
D
the stuff that matters
18) What would you use to see if something is charged?
A
electroscope
B
electric reader
C
electric force
D
thermometer
19) What two things must happen for work to be done?
A
the object must move and the mechanical advantage must be greater than 1
B
the object must move in the same direction as the force
C
the object must move in the opposite direction of the force
D
the object must move and there must be an output force
20) According to Newton's first law of motion a moving object that is not acted on by an unbalanced force will
A
eventually come to a stop
B
remain in motion
C
change its momentum
D
accelerate
*select an answer for all questions
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