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Physical Science Final Exam Review #3 Flashcards | StudBud
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Physical Science Final Exam Review #3
Physical Science Final Exam Review #3
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Physical science final study guide pvhs , multiple choice.
Flashcards
50 cards
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Practice quiz
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Host live
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Questions
50
Answers
1
Which of the following is unique for any given element?
Charge of the electrons
Number of neutrons
Mass of a neutron
Number of protons
2
Which of the following particles are the smallest?
Alpha Particle
Electron
Neutron
Proton
3
The substances that undergo change in a chemical reaction are called...
Coefficients
Reactants
Elements
Products
4
What is a physical or mental representation of an object or event?
Physical property
Scientific Method
Hypothesis
Scientific Model
5
Which of the following phase changes is an endothermic change?
Deposition
Condensation
Freezing
Vaporization
6
How is 0.00069 written in scientific notation?
.69 × 10-3
6.9 × 104
69 × 10-5
6.9 × 10-4
7
During a phase change, the temperature of a substance...
Decreases
Increases
Does not change
Increases and Decreases
8
Protons and ____________ are found in the nucleus of an atom.
Isotopes
Nucleus
Electrons
Neutrons
9
This element is always present in a combustion reaction.
Nitrogen
Oxygen
Sulfur
Hydrogen
10
Which of the following is NOT always true about a synthesis reaction
The general formula is A+B=AB
One product is formed
There is only one reactant
Areactant might be a compound or an element
11
Systematic study of the structure and behavior of the Universe by observation and experiment.
Hypothesis
Science
Mass
Technology
12
What type of graph is this?
pie chart
None of these
bar graph
line graph
13
A substance that is made up of one kind of atom is a(an)
Homogeneous Mixture
Element
Compound
Solution
14
The Law of ______________ states that matter cannot be created or destroyed.
Attraction
Big Bang Theory
Cosmic Expansion
Conservation of Mass
15
The half-life of a radioisotope is the amount of time it takes for....
detectable radiation to be absorbed by a sample
half the sample to decay
the age of an artifact to be calculated
all the sample to decay
16
Which of the following is a radioisotope used to date rock formations?
Carbon-14
Uranium-235
Carbon-12
Cobalt-60
17
What is the symbol for Aluminum?
al
Al
AL
Au
18
The substances in a _______________ mixture are evenly distributed throughout the mixture...
Filtration
Element
Compound
Colloid
19
What is the formula for finding Density?
Density=mass/volume
Density=mass x volume
Density=volume/mass
Mass=density/volume
20
Approximately how many Kelvins are equal to 60 degrees Celsius?
333
323
289
413
21
Flammability is a materials ability to burn in the presence of...
Oxegen
Nitrogen
Carbon Dioxide
Hydrogen
22
On the Celsius scale, at what temperature does water boil?
32
212
0
100
23
Which of the following is NOT a branch of natural science?
Social science
Life science
Physical science
Space science
24
A material that is malleable and conducts electricity is most likely...
Motor oil
Metal
Ice
Wood
25
What are the building blocks of all matter?
Forces
Kinetic and Potential Energy
Magnetic Fields
Atoms
26
To find the number of neutrons in an atom, you would subtract
atomic number from mass number
atomic number from electron number
mass number from atomic number
isotope number from atomic number
27
Which element is found in most of the compounds in your body except for water?
Iron
Potassium
Carbon
Iodine
28
In general, if the temperature of a chemical reaction is increased, the reaction rate...
Increases
Decreases
Remains the same
cannot be predicted
29
What is the process by which an unstable nucleus emits charged particles or energy or both?
None of the above
Radioactivity
Synthesis
Oxidation
30
The measurement 0.059 meters equals how many millimeters?
509
.59
5.9
59
31
The number of protons in one atom of an element is that element's...
Atomic Number
Mass Number
Balanced Charge
Isotope
32
The tendency for an element to react is closely related to
the number of valence electrons in the atom
the ratio of protons to neutrons in atoms of the element
attractions between its atoms
Its atomic mass
33
Elements can be classified as metals, nonmetals, and _______________.
Metalic
Metalish
Isotopes
Metaloids
34
Which of the following is a heterogeneous mixture?
sugar water
Water in a swimming pool
a jar of mixed nuts
stainless steel
35
The compound whose formula is SO
3
, is called Sulfur ____________.
Oxide
Dioxide
Trioxide
Sulfuric Acid
36
Matter that has a definite volume but no definite shape is a
Gas
Solid
Plasma
Liquid
37
Which of the following phase changes is an example of an exothermic change?
Vaporization
Deposition
Sublimation
Melting
38
The phase change in which a substance changes from a liquid to a gas is
Condensation
Decomposition
Vaporization
Sublimation
39
Which of the following is a mixture?
Carbon Dioxide
Sand
Silicon
Silicon Dioxide
40
Group 7a of the periodic table contains the...
Least reactive Non-Metals
Least reactive Metals
Most reactive Non-Metals
Most reactive Metals
41
During nuclear fission, great amounts of energy are produced from...
particle accelerators
a series of chemical reactions
a very small amount of mass
tremendous amounts of mass
42
The correct formula for sodium oxide is...
S2O
NaO2
SO2
Na2O
43
A way to ask and answer scientific questions by making observations and doing experiments.
Manipulated Variable
Scientific Law
Scientific Method
Technology
44
A solid piece of naphthalene is heated and remains at 80 °C until it is melted, 80 °C is the
Boiling point of Naphthalene
Melting point of Naphthalene
Freezing point of Naphthalene
Both A and B
45
Which subatomic particle has a negative charge?
Electron
Alpha particle
Neutron
Proton
46
A gas has...
definite volume and shape
definite shape but no definite volume
no definite shape or volume
definite volume but no definite shape
47
The formation of an ionic bond involves the...
transfer of electrons
transfer of protons
sharing of electrons
transfer of neutrons
48
What are 6 centimeters equal to?
600 meters
600 millimeters
.6 millimeters
60 millimeters
49
Which of the following factors affects the pressure of an enclosed gas?
Volume
All of the above
Number of Particles
Temperature
50
In which step of the scientific method is information obtained through the senses?
Observations
Analyzing data
Revising the Hypothesis
Conclusions
