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Physical Science Part 2
Test Description: Physical science part 2
Instructions: Answer all questions to get your test result.
1) The distance from one wave crest to the next is the:
A
Crest
B
Interval
C
Wavelength
D
Period
2) Electrons have a _________________charge
A
Happy
B
Negative
C
Positive
D
Neutral
3) Which of the following use momentum:
A
All of the above
B
Football players
C
Downhill skiers
D
Golfers
4) A hammer utilizes which simple machine?
A
Ramp
B
Wheel and Axle
C
Lever
D
Inclined Plane
5) Which of the following is not included in Physical Science?
A
Engineering
B
Physics
C
Zoology
D
Chemistry
6) The quantity 5.85 X 10^4 m is equivalent to
A
5850000m
B
58500m
C
0.000585m
D
5840m
7) A 4.00 kg crowbar's mass is measured several times. Which set of measurements is precise but not accurate?
A
3.55kg, 3.58kg, 3.56kg
B
3.5 kg, 2.5 kg, 4.5kg
C
4.0kg, 4.2kg, 3.9kg
D
3.99kg, 4.02kg, 4.00kg
8) Which of the following is a compound?
A
Chlorine, Cl
B
Water, H20
C
Iodine, I
D
Sodium, Na
9) A stone will sink in water because a stone is:
A
a heterogeneous mixture
B
is denser than air
C
is less dense than water
D
is denser than water
10) Force is equal to:
A
mass times acceleration
B
work times time
C
pressure divided by area
D
mass divided by acceleration
11) True or False. There is only one correct way to draw the periodic table of the elements
A
True
B
False
12) According to the modern model of the atom,
A
the number of protons an atom has varies
B
moving electrons form an elctron cloud
C
neutrons have a positive charge
D
electrons and protons circle neutrons
13) In any chemical equation, the arrow means
A
equals
B
is greater than
C
yields
14) Which of the following chemical equations is balanced?
A
Ca+SbCl3----Si + sb +3CaCl2
B
Fe+O2 ---Fe2O3
C
CS2+ 2O2-----CO2 + SO2
D
3CuCl2+2Al----- 2AlCl3 + 3Cu
15) If you jog for 1 hour and travel 10 kilometers, 10km/h describes your
A
acceleration
B
momentum
C
displacement
D
average speed
16) If a track athelete runs an 800 m race at a constant speed of 2 m/s, how long will it take her to run the race?
A
400 min
B
6.7 min
C
16 min
D
26.7 min
17) Automobile seat belts are necessary for safety necause of a passenger's
A
gravity
B
weight
C
inertia
D
speed
18) The newton is a measure of
A
acceleration
B
mass
C
force
D
length
19) According to Newton's third law, when a 450 N teacher stands on the floor, that teacher applies a force of 450 N of the floor and
A
the floor applies a force of 450N on the teacher
B
the floor applies a force of 450 N on the ground
C
the floor applies an undetermined force on the teacher
D
the floor applies a force of 450N in all directions
20) Scissors are an example of
A
a compound machine
B
a lever
C
a wheel and axle
D
a wedge
*select an answer for all questions
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