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