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Physical Science Final Exam Review Part 1 Flashcards | StudBud
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Physical Science Final Exam Review Part 1
Physical Science Final Exam Review Part 1
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1
Which of the following statements describes the most workable model of matter?
Physical matter is a continuum of material.
Physical matter can be divided into smaller portions an infinite # of times
All of the above describe the current model of matter.
Physical matter exists in the form of particles in constant motion.
2
Which of the following is a frame of reference?
all the above
a coordinate plane
the room you are in right now
a satellite in orbit above the earth
3
Pure water, H
2
O, is classified as which kind of substance?
a homogenous mixture
an element
a heterogeneous mixture
a compound
4
Which of the following measurements offers the greatest precision?
to the nearest centimeter
to the nearest meter
to the nearest millimeter
to the nearest nanometer
5
Vaporization happens when liquid particles _______ energy.
both gain and lose
lose
gain
neither gain nor lose
6
Which two divisions of science are branches of physical science?
physics and social science
biology and chemistry
chemistry and physics
life science and earth science
7
4 flies observe a drag race from the locations below. In which frame of reference is the car moving relative to the fly?
the dashboard
the road surface
the driver's helmet
the windshield
8
Which of the following is not an evidence for the particle model of matter?
Brownian motion
Aristotle's divisible continuum of matter
diffusion
the law of definite proportions
9
An evenly distributed chlorine-water solution is classified as a(n) ________________.
homogeneous mixture
element
compound
heterogeneous mixture
10
_____ compares a measurement to an accepted or expected value; _______ is exactness or repeatability of a measurement.
variability; consistency
accuracy; precision
consistency; variability
precision; accuracy
11
_________ is a physical property that describes how a material interacts with light
Compressibility
Movement
Luster
Ductility
12
The law of conservation of matter states that
the amount of matter cannot change,
all of the above are true
matter can change forms.
matter can neither be created nor destroyed.
13
A milligram is how many grams?
10-1
10-9
10-6
10-3
14
What determines the state of matter of a substance at a given temperatre--the relationship between
kinetic energy of the particles and attractive forces of those particles,
compressibility of the particles and repeating pattern of those particles
the kinetic energy of the particles and the density of the substances.
the compressibility of the particles and the free electrons.
15
Which of the following conditions does not necessarily result in an acceleration of a moving system?
All the above result in acceleration
a change of position
a change of direction
a change in speed
16
An initial testable explanation of a phenomenon that guides a scientific investigation is a
model
hypothesis
law
theory
17
Which of the following states of matter does not experience particle motion?
None of the above. All states of matter experience particle motion.
solid
liquid
gas
18
The matter that makes up the stars is in which state of matter?
solid
gas
plasma
liquid
19
Which of the following is evidence of order in nature?
all of the above
the seasons
daily, weekly, and monthly cycles
repeated patterns found in the properties and structure of elements
20
Why is an orderly approach to scientific investigation so important?
Scientists must be accurate collecting, analyzing, & reporting findings.
Scientific models must be perfect or they are useless.
Science has no purpose outside of the scientific method.
Scientific measurement must never have any uncertainty.
21
Which of the following may combine in variable proportions?
a mixture
a compound
an element
none of the above
22
Which principle allows us to conclude tht gravity acts the same today and will tomorrow as it did yesterday?
the periodic table
the principle of uniformity
the principle of cause and effect
the Creation Mandate
23
Even when you are sitting as motionless as possible, according to which frame of reference are you still moving?
the moon
the earth
the room that you are in
the chair that you are sitting on
24
Why do we still use Newtonian mechanics for studying motion today?
It involves the most complex mathematics.
It is workable for most objects without being overly complex.
Is is the most workable mocel.
It's able to explain the behavior of substomic objects & high-speed objects
25
Scientists collect ___________________ data by using instruments to take measurements.
quantitative
unprecise
qualitative
inasccurate
26
The laws of motion and law of universal gravitation developed by ________ form the basis for classical mechanics.
Johannes Kepler
Albert Einstein
Galileo
Isaac Newton
27
The SI that scientists use today has __________________ fundamental units.
seven
hundreds of
three
ten
28
Which of the following ways describes how a Christian can use science to fulfill the Creation Mandate?
replicating the nature of order created by God
studying and caring for creation
all of the above
creating products that benefit other people
29
Which of the following activities is central to scientific inquiry?
obsservation
experimentation
analysis
communication
30
Why is it important that scientists accurately collect, analyze, and report data?
Falsified data may have harmful effects on others.
Science that florifies God must be careful, accurate, and honest.
The scientific community depends on the research of others.
All the above are important.
31
Which of the following are in constant motion in random directions?
solids
All matter
gases
liquids
32
Freezing happens when liquid particles
gain energy.
overcome the forces between them.
reach the boiling point.
lose energy.
33
When a substance melts, it undergoes a
physical change
both physical and chemical change
chemical change
neihter a physical or chemical change
34
What is a model?
a complete understanding of a phenomenon that never changes
an experiment designed to answer a specific question
an orderly approach used to investigate the world
a workable exlanation or description of a phenomenon
35
Reactivity and flammability are examples of _________,
chemical properties
physical properties
None of these
a chemical property and a physical property
36
What is the distance for the motion, from A to B to C to D, shown in the image below?
5
11
9
7
37
All the following statements regarding distance and displacement are true except which one?
Distance is a scalar while displacement is a vector.
Distance includes both magnitude and direction.
Displacement depends on the starting and ending position.
Distance depends on the path traveled.
38
Sublimation happens when solid particles ________ energy.
lose
both gain and lose
gain
neither gain nor lose
39
2 elements that are chemically combined form a ______, while 2 elements that are only physically combined form a _______
pure substance; compound
homogeneous mixture; heterogeneous mixture
mixture; pure substance
compound; mixture
40
Which of the following factors into the accuracy of a measurement?
none of the above
instrument uncertainty
scientist error
scientist error and instrument uncertainty
41
A diamond, comprised of a repeated pattern of carbon atoms, is classified as a(n) _____.
non-Newtonian liquid
crystalline solid
cross-linked polymer
amorphous solid
42
Which of the following is not a true statement about physical science models?
They include theories and laws
They are workable explanations or descriptions of phenomena.
They must be complete and should not change.
They should help scientists understand and communicate phenomena.
43
The SI unit of mass is the _______________.
Kelvin
meter
mole
kilogram
44
Which of the following would be an example of qualitative data?
number of flowers
milliliters of water
height of a plant
color of leaves
45
F = ma is an example of which category of scientific models?
theory
heliocentric
law
hypothesis
46
Which of the following are fluid and have high compressibility?
All matter
liquids
gases
solids
47
An airplance is flying west at 690 kph. The wind is blowing east at 60 kph. Determine the final velocity.
630 kph to the west
750 kph to the east
750 kph to the west
630 kph to the east
48
Which of the following would be an example of quantitative data?
texture
shape
color
length
49
Which of the following statements correctly identifies the difference between weight and mass?
Weight is a physical property, while mass if a chemical property.
All of the above are correct.
Mass can change on the basis of location, but weight cannot.
Mass is the amount of matter in an object; weight is a measure of gravity.
50
Which system would be the most useful to analyze the motion of a ride at a theme park?
all the people on all the rides in the park
an airplane flying over the park
all objects in motion in the entire pak
a roller coaster car and its passengers
51
Which of the following terms represents a change in displacement over a change in time?
momentum
acceleraton
speed
velocity
52
Accuracy is defined as the
comparison of a measurement to the expected value
decimal place of the instrument used in measurement
degree of exactness of a measurement
repeatability of a measurement
53
Which of the following is an example of the orderliness and predictability of science?
the scientific method
the periodic table
the periodic table and the scientific method
weather events such as a tornado
54
What 2 factors affect momentum?
position and velocity
displacement and mass
time and displacement
mass and velocity
55
Which state of matter has low compressibility, a fixed volume, and is a fluid?
solid
plasma
gas
liquid
56
Which of the following is the most common state of matter in the universe?
liquid
solid
gas
plasma
57
Which of the following is not a mixture?
seawater
steel
a cup of coffee
diamond
58
Which process allows other scientists to review and assess research prior to publication?
posing questions
analysis
investigation
peer review
59
Which component of scientific inquiry includes conducting an experiment?
conclusion
communication
research
investigation
60
Which of the following is a scalar quantity?
acceleration
velocity
speed
displacement
61
Ductility and conductivity are examples of _________,
physical properties
None of these
chemical properties
a chemical property and a physical property
62
A megawatt is how many watts?
10-6
106
103
10-3
63
An airplance is flying west at 690 kph. The wind is blowing north at 65 kph. Determine the final velocity.
625 kph to the west
755 kph to the northwest
625 kph to the north
693 kph to the northwest
64
The random motion and collision of particles is called ________.
Aristotle's continuum
definite proportions
Brownian motion
chemists' collisions
65
The decimal place to which a scientist makes a measurement can be referred to as
none of the above
precision
accuracy and precision
accuracy
66
Physical science is the study of
life
the earth, its oceans, and the atmosphere
nonliving matter and energy
human societies and relationships
67
An accelerating object in motion will speed up when the
acceleration vector is positive
velocity and acceleraton vectors are in opposite directions
velocity and acceleration vectors are in the same direction
velocity vector is positive
68
The SI unit for the intensity of a light is the _______.
ampere
mole
candela
Kelvin
69
What property measures a fluid's resistance to flow?
density
particle spacing
viscosity
fluidity
70
Select the correct conversion factor for converting meters into centimeters.
1 cm/10 m
1 cm/100 m
10 cm/1m
100 cm/1 m
71
Matter includes:
physical objects
sound
physical objects, light and sound
light
72
Which state of matter has a fixed shape?
liquid
solid
plasma
gas
73
The state of matter of a substance is an example of ______.
a chemical property and a physical property
a physical property
None of these
a chemical property
74
The formula s = d/t is used for calculating
velocity
instantaneous speed
average speed
displacement
75
Which symbol represents displacement?
D
Dx
d
Xd
76
What is the displacement for the motion, from A to B to C to D, shown in the image below?
9
-5
-7
11
77
THe SI unit for electric current is the _______.
mole
candela
ampere
Kelvin
78
According to the ancient Greeks, why does smoke rise from a campfire?
Smoke wanders.
Smoke experiences retrograde motion.
Smoke's nature is to move upward.
The warm air associated with smoke is less dense.
79
Atoms consist of all the following except
neutrons
electrons
protons
molecules
80
Which occurs at the surface of a liquid when it changes state to a gas?
boiling
evaporation
sublimation
deposition
81
Momentum in a system is conserved when
the system is isolated
the total mass remains constant
velocity remains constant
outside pushes or pulls act on the system
82
The descriptions of how things move is studied within the area of ______________.
hydraulics
statics
dynamics
kinematics
83
Which of the following is not a physical property?
density
flammability
freezing point
color
84
Which of the following is not a reason why scientists use the SI instead of the US customary system?
The SI has easily reproducible standards.
The SI is used almost worldwide.
The SI has many units for each dimension; the US system has only one.
Unit conversions are easier with the decimal-based SI.
85
Which of the following is a derived unit?
kg
A
cd
m/s2
