PHYSICAL SCIENCE EOC REVIEW ENERGY ELECTRICITY

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PHYSICAL SCIENCE
EOC REVIEW
PRACTICE TEST 2
Laura Rush
Green Hope High School
lrush1@wcpss.net
EOC REVIEW
ENERGY
•
Light energy can be
concentrated in special light
beams called
A. masers
B. rays
C. lasers
D. burning rays
• ANSWER: C
EOC REVIEW
ENERGY
•
A.
B.
C.
D.
When an atomic bomb explodes,
the total amount of matter and
energy involved in the change
increases
decreases
remains the same
cannot be predicted
• ANSWER: C
EOC REVIEW
ENERGY
•
A.
B.
C.
D.
In an energy transformation
some energy is destroyed
some energy is created
energy is changed to matter
no energy is lost
• ANSWER: D
EOC REVIEW
ELECTRICAL ENERGY
• When the number of electrons and
protons in a sample of matter are
equal, the matter is
A. neutral
B. positively charged
C. negatively charged
D. insulated
• ANSWER:
A
EOC REVIEW
ELECTRICAL ENERGY
• Rubbing one substance against
another causes
A. nothing to happen
B. a loss of protons
C. a transfer of electrons
D. a gain of protons
• ANSWER:
C
EOC REVIEW
ELECTRICAL ENERGY
• Two positively charged pith balls,
brought close together,
A. have no effect on each other
B. repel each other
C. attract each other
D. first repel and then attract each
other
• ANSWER:
B
EOC REVIEW
MAGNETISM
• An instrument currently used for
navigation that operates on the
principle of magnetism is a
A. map
B. lodestone
C. compass
• ANSWER:
C
EOC REVIEW
MAGNETISM
• The theory that the Earth is a giant
magnet was proposed by
A. Gilbert
B. Maxwell
C. Ampere
D. Oersted
• ANSWER:
A
EOC REVIEW
MAGNETISM
• To find the magnetic north pole of
the Earth, scientists use an
instrument known as a
A. compass
B. dipping needle
C. lodestone
D. sextant
• ANSWER:
B
EOC REVIEW
ELECTRICITY & MAGNETISM
• To determine which end of an
electromagnet is the north pole,
we can use
A. a piece of steel
B. tacks
C. the left-hand rule
D. the right-hand rule
• ANSWER:
C
EOC REVIEW
ELECTRICITY & MAGNETISM
• A decrease in the amount of
current supplied to an
electromagnet causes the strength
of the electromagnet to
A. increase
B. decrease
C. remain the same
D. first decrease, then increase
• ANSWER: B
EOC REVIEW
ELECTRICITY & MAGNETISM
• When the number of turns of wire
around the core of an
electromagnet is increased, the
strength of the electromagnet
A. increases
B. decrease
C. remain the same
D. first decrease, then increase
• ANSWER:
A
EOC REVIEW
HEAT ENERGY
• The freezing point of water in the
absolute temperature scale is
A. 273oK
B. 273oC
C. 273oF
D. 0oC
• ANSWER:
A
EOC REVIEW
HEAT ENERGY
• When objects are at different
temperatures,
A. heat is not transferred
B. heat is transferred from the
cooler object to the warmer object
C. heat is transferred from the
warmer object to the cooler object
• ANSWER:
C
EOC REVIEW
HEAT ENERGY
• Of the following, the best
conductor of heat is
A. nickel
B. copper
C. brass
D. aluminum
• ANSWER:
B
EOC REVIEW
SOUND ENERGY
• Of the following, the device used
to detect underwater objects is
A. laser
B. radar
C. maser
D. sonar
• ANSWER:
D
EOC REVIEW
SOUND ENERGY
• Of the following, sound is most
closely associated with
A. mechanical energy
B. chemical energy
C. heat energy
D. potential energy
• ANSWER:
A
EOC REVIEW
SOUND ENERGY
• Matter that transmits sound
possesses the property of
A. flexibility
B. elasticity
C. permeability
D. ductility
• ANSWER:
B
EOC REVIEW
LIGHT ENERGY
• The scientist who first measured
the speed of light was
A. Huygens
B. Planck
C. Maxwell
D. Roemer
• ANSWER:
D
EOC REVIEW
LIGHT ENERGY
•
A.
B.
C.
D.
The speed of light is approximately
1800 feet per second
300,000 kilometer per second
18,600 miles per second
350 meters per second
• ANSWER:
B
EOC REVIEW
LIGHT ENERGY
• The darker inner part of a shadow
is known as the
A. umbra
B. crest
C. penumbra
D. trough
• ANSWER:
A
EOC REVIEW
REFRACTION, LENSES & COLOR
•
A.
B.
C.
D.
The bending of light is known as
reflection
refraction
diffraction
dispersion
• ANSWER: B
EOC REVIEW
REFRACTION, LENSES & COLOR
• When a ruler is placed in water at
an oblique angle, besides
appearing bent, the rule appears
to be
A. curved
B. smaller
C. magnified
D. unaffected
• ANSWER:
C
EOC REVIEW
REFRACTION, LENSES & COLOR
• When light enters a medium such
as water or glass from the air, its
speed
A. decreases
B. increases
C. remains the same
D. increases, then decreases
• ANSWER: A
PHYSICAL SCIENCE
EOC REVIEW
Metallic Properties
Solutions
Suspensions & Emulsions
Properties of Water
Acids, Bases, and Salts
Organic Chemistry
Laura Rush
Green Hope High School
lrush1@wcpss.net
EOC REVIEW
METALLIC COMPOUNDS
•
A.
B.
C.
D.
Of the following, the one that is not an agent
of corrosion is
water
chromium
oxygen
sulfur dioxide
• ANSWER: B
EOC REVIEW
METALLIC COMPOUNDS
•
A.
B.
C.
D.
In the process of galvanizing, iron is coated
with
tin
lead
copper
zinc
• ANSWER: D
EOC REVIEW
METALLIC COMPOUNDS
•
A.
B.
C.
D.
Of the following, the covering that does not
prevent corrosion is
water
oil
grease
paint
• ANSWER: A
EOC REVIEW
SOLUTIONS
•
A.
B.
C.
D.
When salt dissolves in water, equal portions of this
mixture contain the same quantities of solid and
liquid. Such a mixture is said to be
unstable
saturated
uniform
a tincture
• ANSWER: C
EOC REVIEW
SOLUTIONS
•
A.
B.
C.
D.
In a solution, the dissolved substance is
called
solute
solvent
tincture
distilled
• ANSWER: A
EOC REVIEW
SOLUTIONS
•
A.
B.
C.
D.
The liquid referred to as the “universal
solvent” is
benzene
oil
alcohol
water
• ANSWER: D
EOC REVIEW
SUSPENSIONS/EMULSIONS
•
A.
B.
C.
D.
Brownian motion describes the movement of
atoms
particles in a suspension
colloidal particles
coagulated particles
• ANSWER: C
EOC REVIEW
SUSPENSIONS/EMULSIONS
•
A.
B.
C.
D.
Of the following, the substance with the
smallest particles is
clay
sand
gravel
pebbles
• ANSWER: A
EOC REVIEW
SUSPENSIONS/EMULSIONS
•
A.
B.
C.
D.
The particles of a solution
absorbs all light
do not affect light
reflect light
are opaque to light
• ANSWER: B
EOC REVIEW
PROPERTIES OF WATER
•
A.
B.
C.
D.
The best procedure to separate a mixture of
iron filings and sulfur is to
filter the mixture
coagulate the mixture
use a magnet
centrifuge the mixture
• ANSWER: C
EOC REVIEW
PROPERTIES OF WATER
•
A.
B.
C.
D.
At the boiling point of a liquid, if heat continues to be
applied, the temperature of the liquid
continues to increase
remains the same
begins to decrease
decreases a little and then increases again
• ANSWER: B
EOC REVIEW
PROPERTIES OF WATER
•
A.
B.
C.
D.
Generally, the boiling point of water at sea
level is
100 degrees Celsius
100 degrees Fahrenheit
202 degrees Celsius
32 degrees Fahrenheit
• ANSWER: A
EOC REVIEW
ACIDS, BASES, SALTS
•
A.
B.
C.
D.
Of the following, the salt that is used to
make photographic film is
NaCl
Ca(NO3)2
K2SO4
AgBr
• ANSWER: D
EOC REVIEW
ACIDS, BASES, SALTS
•
A.
B.
C.
D.
A salt used as the electrolyte in dry cells is
ammonium carbonate
ammonium chloride
silver nitrate
sodium sulfate
• ANSWER: B
EOC REVIEW
ACIDS, BASES, SALTS
•
A.
B.
C.
D.
When water solutions of an acid and a base
are mixed,
no reaction occurs
a new acid and a new base are formed
a salt and water are formed
an acid and a salt are formed
• ANSWER: C
EOC REVIEW
ORGANIC CHEMISTRY
•
A.
B.
C.
D.
The major component in organic compounds
is the element
oxygen
carbon
hydrogen
chlorine
• ANSWER: B
EOC REVIEW
ORGANIC CHEMISTRY
•
A.
B.
C.
D.
One product of the burning of wood is
petroleum
cellulose
water
oxygen
• ANSWER: C
EOC REVIEW
ORGANIC CHEMISTRY
•
A.
B.
C.
D.
The substance with the lowest melting point
is
NaCl
SiO2
NaOH
paraffin
• ANSWER: D
EOC REVIEW
NATURE OF MATTER
• Which of the following is not a necessary
characteristic of a chemical change?
• A a change in composition
• B release of energy
• C absorption of energy
• D a change in state
• ANSWER: D
PHYSICAL SCIENCE
EOC REVIEW
Nature of Matter
Elements
Compounds & Mixtures
Structure of Matter
Chemistry of Elements
Chemistry of Compounds
Reactions
Laura Rush
Green Hope High School
lrush1@wcpss.net
EOC REVIEW
NATURE OF MATTER
• Changes that continue unaided are said
to be
• A consistent
• B spontaneous
• C reversible
• D models
• ANSWER: B
EOC REVIEW
NATURE OF MATTER
• A substance that increases the rate of a
reaction is
• A solid
• B liquid
• C gas
• D catalyst
• ANSWER: D
EOC REVIEW
COMPOSITION OF MATTER
• When lead oxide is heated in a test tube, the
walls of the tube become coated with
• A
hydrogen
• B
oxygen
• C
lead
• D
silver
• ANSWER: C
EOC REVIEW
COMPOSITION OF MATTER
• Substances that cannot be decomposed to
any simpler substances are called
• A elements
• B compounds
• C mixtures
• D none of these
• ANSWER: A
EOC REVIEW
COMPOSITION OF MATTER
•
•
•
•
•
The element needed to sustain life is
A iron
B oxygen
C hydrogen
D water
• ANSWER: B
EOC REVIEW
CHEMISTRY OF ELEMENTS
•
•
•
•
•
When metals react chemically, they
A gain electrons
B lose electrons
C gain protons
D lose protons
• ANSWER: B
EOC REVIEW
CHEMISTRY OF ELEMENTS
• When elements with four electrons in their
outermost level react chemically, they
• A always gain 4 electrons
• B always lose 4 electrons
• C may lose, gain, or share 4 electrons
• D may lose or gain 4 electrons
• ANSWER: C
EOC REVIEW
CHEMISTRY OF ELEMENTS
• As we move from left to right across a
period in the Periodic Table, metallic
activity
• A decreases
• B increases
• C remains the same
• D increases, then decreases
• ANSWER: A
EOC REVIEW
CHEMISTRY OF ELEMENTS
• In the Periodic Table, the elements that
exhibits the strongest nonmetallic properties
is found
• A on the upper left side
• B on the lower left side
• C on the upper right side
• D on the lower right side
• ANSWER: C
EOC REVIEW
CHEMISTRY OF ELEMENTS
• In the outermost electron level of most
metalloids, the number of electrons is
• A 8
• B 4
• C 2
• D 6
• ANSWER: B
EOC REVIEW
CHEMISTRY OF ELEMENTS
• In any group of metals in the Periodic Table, the
most active metal in the group is found
• A at the top
• B in the middle
• C at the bottom
• D in different places depending on the group
• ANSWER: C
EOC REVIEW
CHEMISTRY OF COMPOUNDS
• The total atomic mass of an element in a compound is 12.
The formula mass of the compound is 100. The
percentage composition of the element in the compound is
•
•
•
•
A
B
C
D
12%
88%
0.12%
1.2%
• ANSWER: A
EOC REVIEW
CHEMISTRY OF COMPOUNDS
• The formula H2O2 represents the
compound
• A water
• B hydrogen peroxide
• C hydrogen monoxide
• D hydrogen dioxide
• ANSWER: B
EOC REVIEW
CHEMISTRY OF COMPOUNDS
• When an atom of aluminum with a valence
of +3 unites to form a compound, it
• A donates 3 electrons
• B accepts 3 electrons
• C donates 5 electrons
• D accepts 5 electrons
• ANSWER: A
EOC REVIEW
REACTIONS
• The law of conservation of matter was
first suggested by
• A Dalton
• B Lavoisier
• C Democritus
• D Rutherford
• ANSWER: B
EOC REVIEW
REACTIONS
• Of the following words, the one used to
represent a chemical reaction is
• A an atom
• B a formula
• C an equation
• D a symbol
• ANSWER: C
EOC REVIEW
REACTIONS
•
•
•
•
•
A chemical equation describes
A only the reactants
B only the products
C neither the reactants nor the products
D both the reactants and the products
• ANSWER: D
PHYSICAL SCIENCE
EOC REVIEW
NUCLEAR
FORCES & MOTION
WORK & POWER
FLUID FORCES
MACHINES
Laura Rush
Green Hope High School
lrush1@wcpss.net
EOC REVIEW
NUCLEAR ENERGY
• Of the following, the radioisotope
used to treat a thyroid gland is
A. cobalt-60
B. carbon-14
C. iodine-131
D. phosphorus-32
• ANSWER:
C
EOC REVIEW
NUCLEAR ENERGY
• Changes in heredity that may be
produced by radiation are called
A. transformations
B. chemical changes
C. mutations
D. physical changes
• ANSWER: C
EOC REVIEW
NUCLEAR ENERGY
• A device to track and study
radioactive particles is
A. an electroscope
B. a cyclotron
C. a Geiger counter
D. a cloud chamber
• ANSWER: D
EOC REVIEW
FORCES
• A push or pull exerted on an object
is known as
A. energy
B. force
C. charge
D. magnetism
• ANSWER: B
EOC REVIEW
FORCES
• Of the following, the example that
does not create a force is
A. magnetism
B. gravity
C. electrical charges
D. velocity
• ANSWER: D
EOC REVIEW
FORCES
• When several forces act on an
object and the object does not
move, the forces are said to be
A. balanced
B. unbalanced
C. stable
D. unstable
• ANSWER: A
EOC REVIEW
WORK & MACHINES
• The ideal mechanical advantage of
a pulley system can be found from
the formula
A. DR/DE
B. E/R
C. R/DE
D. DE/DR
• ANSWER:
D
EOC REVIEW
WORK & MACHINES
• A simple machine used in a
steering wheel and a bicycle is a
A. lever
B. wedge
C. pulley
D. wheel-and-axle
• ANSWER:
D
EOC REVIEW
WORK & MACHINES
•
A.
B.
C.
D.
The ideal mechanical advantage of a
wheel-and-axle equals
the radius of the larger wheel divided
by the radius of the axle
the radius of the axle divided by the
radius of the wheel
the effort divided by the resistance
the effort distance multiplied by the
resistance distance
• ANSWER:
A
EOC REVIEW
FLUID FORCES
•
A.
B.
C.
D.
The term fluid applies
only to liquids
only to gases
only to solids
to liquids and gases
• ANSWER:
D
EOC REVIEW
FLUID FORCES
• Density is determined by the
formula
A. m/v
B. v/m
C. v x v
D. m + v
• ANSWER:
A
EOC REVIEW
FLUID FORCES
• In the English system of
measurements, density is
measured in
A. pounds per square inch
B. pounds per cubic foot
C. grams per cubic centimeter
D. grams per cubic foot
• ANSWER:
B
EOC REVIEW
FORCES & MOTION
• The motion of a jet aircraft is
primarily based on the law of
A. action and reaction
B. inertia
C. momentum
D. conservation of energy
• ANSWER:
A
EOC REVIEW
FORCES & MOTION
• When tow bowling balls
simultaneously roll into a row of
bowling balls that are at rest
A. the last ball moves out of the row
B. two balls move out of the row
C. no change is observed
D. all the balls are set in motion
• ANSWER:
B
EOC REVIEW
FORCES & MOTION
• An inward force created by
uniform circular motion is called
A. a buoyant force
B. centrifugal reaction
C. centripetal force
D. gravity
• ANSWER:
C
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