physical science eoc review practice test 2 laura rush green hope high school lrush1@wcpss

PHYSICAL SCIENCEEOC REVIEWPRACTICE TEST 2

Laura RushGreen Hope High School

[email protected]

EOC REVIEWENERGY

• Light energy can be concentrated in special light beams called

A. masersB. raysC. lasersD. burning rays• ANSWER: C

EOC REVIEWENERGY

• When an atomic bomb explodes, the total amount of matter and energy involved in the change

A. increasesB. decreasesC. remains the sameD. cannot be predicted

• ANSWER: C

EOC REVIEWENERGY

• In an energy transformationA. some energy is destroyedB. some energy is createdC. energy is changed to matterD. no energy is lost

• ANSWER: D

EOC REVIEWELECTRICAL ENERGY

• When the number of electrons and protons in a sample of matter are equal, the matter is

A. neutralB. positively chargedC. negatively chargedD. insulated

• ANSWER: A


• Rubbing one substance against another causes

A. nothing to happenB. a loss of protonsC. a transfer of electronsD. a gain of protons

• ANSWER: C


• Two positively charged pith balls, brought close together,

A. have no effect on each otherB. repel each otherC. attract each otherD. first repel and then attract each

other

• ANSWER: B

EOC REVIEWMAGNETISM

• An instrument currently used for navigation that operates on the principle of magnetism is a

A. mapB. lodestoneC. compass

• ANSWER: C

EOC REVIEWMAGNETISM

• The theory that the Earth is a giant magnet was proposed by

A. GilbertB. MaxwellC. AmpereD. Oersted

• ANSWER: A

EOC REVIEWMAGNETISM

• To find the magnetic north pole of the Earth, scientists use an instrument known as a

A. compassB. dipping needleC. lodestoneD. sextant

• ANSWER: B

EOC REVIEWELECTRICITY & MAGNETISM

• To determine which end of an electromagnet is the north pole, we can use

A. a piece of steel B. tacksC. the left-hand ruleD. the right-hand rule

• ANSWER: C


• A decrease in the amount of current supplied to an electromagnet causes the strength of the electromagnet to

A. increaseB. decreaseC. remain the sameD. first decrease, then increase

• ANSWER: B


• When the number of turns of wire around the core of an electromagnet is increased, the strength of the electromagnet

A. increasesB. decreaseC. remain the sameD. first decrease, then increase

• ANSWER: A

EOC REVIEWHEAT ENERGY

• The freezing point of water in the absolute temperature scale is

A. 273oKB. 273oCC. 273oFD. 0oC

• ANSWER: A


• When objects are at different temperatures,

A. heat is not transferredB. heat is transferred from the

cooler object to the warmer objectC. heat is transferred from the

warmer object to the cooler object

• ANSWER: C


• Of the following, the best conductor of heat is

A. nickelB. copperC. brassD. aluminum

• ANSWER: B

EOC REVIEWSOUND ENERGY

• Of the following, the device used to detect underwater objects is

A. laserB. radarC. maserD. sonar

• ANSWER: D


• Of the following, sound is most closely associated with

A. mechanical energyB. chemical energyC. heat energyD. potential energy

• ANSWER: A


• Matter that transmits sound possesses the property of

A. flexibilityB. elasticityC. permeabilityD. ductility

• ANSWER: B

EOC REVIEWLIGHT ENERGY

• The scientist who first measured the speed of light was

A. HuygensB. PlanckC. MaxwellD. Roemer

• ANSWER: D


• The speed of light is approximately

A. 1800 feet per secondB. 300,000 kilometer per secondC. 18,600 miles per secondD. 350 meters per second

• ANSWER: B


• The darker inner part of a shadow is known as the

A. umbraB. crestC. penumbraD. trough

• ANSWER: A

EOC REVIEWREFRACTION, LENSES & COLOR

• The bending of light is known asA. reflectionB. refractionC. diffractionD. 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. curvedB. smallerC. magnifiedD. unaffected

• ANSWER: C

EOC REVIEW REFRACTION, LENSES & COLOR

• When light enters a medium such as water or glass from the air, its speed

A. decreasesB. increasesC. remains the sameD. increases, then decreases

• ANSWER: A

PHYSICAL SCIENCEEOC REVIEW

Metallic PropertiesSolutions

Suspensions & EmulsionsProperties of Water

Acids, Bases, and SaltsOrganic Chemistry


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EOC REVIEWMETALLIC COMPOUNDS

• Of the following, the one that is not an agent of corrosion is

A. waterB. chromiumC. oxygenD. sulfur dioxide

• ANSWER: B


• In the process of galvanizing, iron is coated with

A. tinB. leadC. copperD. zinc

• ANSWER: D


• Of the following, the covering that does not prevent corrosion is

A. waterB. oilC. greaseD. paint

• ANSWER: A

EOC REVIEWSOLUTIONS

• 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

A. unstableB. saturatedC. uniformD. a tincture

• ANSWER: C

EOC REVIEWSOLUTIONS

• In a solution, the dissolved substance is called

A. solute B. solventC. tinctureD. distilled

• ANSWER: A

EOC REVIEWSOLUTIONS

• The liquid referred to as the “universal solvent” is

A. benzeneB. oilC. alcoholD. water

• ANSWER: D

EOC REVIEWSUSPENSIONS/EMULSIONS

• Brownian motion describes the movement of

A. atomsB. particles in a suspensionC. colloidal particlesD. coagulated particles

• ANSWER: C


• Of the following, the substance with the smallest particles is

A. clayB. sandC. gravelD. pebbles

• ANSWER: A


• The particles of a solutionA. absorbs all lightB. do not affect lightC. reflect lightD. are opaque to light

• ANSWER: B

EOC REVIEWPROPERTIES OF WATER

• The best procedure to separate a mixture of iron filings and sulfur is to

A. filter the mixtureB. coagulate the mixtureC. use a magnetD. centrifuge the mixture• ANSWER: C


• At the boiling point of a liquid, if heat continues to be applied, the temperature of the liquid

A. continues to increaseB. remains the sameC. begins to decreaseD. decreases a little and then increases

again

• ANSWER: B


• Generally, the boiling point of water at sea level is

A. 100 degrees CelsiusB. 100 degrees FahrenheitC. 202 degrees CelsiusD. 32 degrees Fahrenheit

• ANSWER: A

EOC REVIEWACIDS, BASES, SALTS

• Of the following, the salt that is used to make photographic film is

A. NaClB. Ca(NO3)2

C. K2SO4

D. AgBr

• ANSWER: D


• A salt used as the electrolyte in dry cells is

A. ammonium carbonateB. ammonium chlorideC. silver nitrateD. sodium sulfate

• ANSWER: B


• When water solutions of an acid and a base are mixed,

A. no reaction occursB. a new acid and a new base are

formedC. a salt and water are formedD. an acid and a salt are formed• ANSWER: C

EOC REVIEWORGANIC CHEMISTRY

• The major component in organic compounds is the element

A. oxygenB. carbonC. hydrogenD. chlorine

• ANSWER: B


• One product of the burning of wood is

A. petroleumB. celluloseC. waterD. oxygen

• ANSWER: C


• The substance with the lowest melting point is

A. NaClB. SiO2

C. NaOHD. paraffin

• ANSWER: D

EOC REVIEWNATURE 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 SCIENCEEOC REVIEWNature of Matter

ElementsCompounds & Mixtures

Structure of MatterChemistry of Elements

Chemistry of CompoundsReactions


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• Changes that continue unaided are said to be

• A consistent• B spontaneous• C reversible• D models

• ANSWER: B


• A substance that increases the rate of a reaction is

• A solid• B liquid• C gas• D catalyst

• ANSWER: D

EOC REVIEWCOMPOSITION 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


• Substances that cannot be decomposed to any simpler substances are called

• A elements• B compounds• C mixtures• D none of these

• ANSWER: A


• The element needed to sustain life is• A iron• B oxygen• C hydrogen• D water

• ANSWER: B

EOC REVIEWCHEMISTRY OF ELEMENTS

• When metals react chemically, they• A gain electrons• B lose electrons• C gain protons• D lose protons

• ANSWER: B


• 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


• 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


• 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


• In the outermost electron level of most metalloids, the number of electrons is

• A 8• B 4• C 2• D 6

• ANSWER: B


• 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 REVIEWCHEMISTRY 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 12%• B 88%• C 0.12%• D 1.2%

• ANSWER: A


• The formula H2O2 represents the compound

• A water• B hydrogen peroxide• C hydrogen monoxide• D hydrogen dioxide

• ANSWER: B


• 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 REVIEWREACTIONS

• The law of conservation of matter was first suggested by

• A Dalton• B Lavoisier• C Democritus• D Rutherford

• ANSWER: B

EOC REVIEWREACTIONS

• 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 REVIEWREACTIONS

• 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 SCIENCEEOC REVIEW

NUCLEARFORCES & MOTION

WORK & POWERFLUID FORCES

MACHINESLaura Rush

Green Hope High [email protected]

EOC REVIEW NUCLEAR ENERGY

• Of the following, the radioisotope used to treat a thyroid gland is

A. cobalt-60B. carbon-14C. iodine-131D. phosphorus-32

• ANSWER: C


• Changes in heredity that may be produced by radiation are called

A. transformationsB. chemical changesC. mutationsD. physical changes

• ANSWER: C


• A device to track and study radioactive particles is

A. an electroscopeB. a cyclotronC. a Geiger counterD. a cloud chamber

• ANSWER: D

EOC REVIEW FORCES

• A push or pull exerted on an object is known as

A. energyB. forceC. chargeD. magnetism

• ANSWER: B

EOC REVIEW FORCES

• Of the following, the example that does not create a force is

A. magnetismB. gravityC. electrical chargesD. 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. balancedB. unbalancedC. stableD. 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/RC. R/DE

D. DE/DR

• ANSWER: D


• A simple machine used in a steering wheel and a bicycle is a

A. leverB. wedgeC. pulleyD. wheel-and-axle

• ANSWER: D


• The ideal mechanical advantage of a wheel-and-axle equals

A. the radius of the larger wheel divided by the radius of the axle

B. the radius of the axle divided by the radius of the wheel

C. the effort divided by the resistanceD. the effort distance multiplied by the

resistance distance

• ANSWER: A

EOC REVIEW FLUID FORCES

• The term fluid appliesA. only to liquidsB. only to gasesC. only to solidsD. to liquids and gases

• ANSWER: D


• Density is determined by the formula

A. m/vB. v/mC. v x vD. m + v

• ANSWER: A


• In the English system of measurements, density is measured in

A. pounds per square inchB. pounds per cubic footC. grams per cubic centimeterD. 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 reactionB. inertiaC. momentumD. conservation of energy

• ANSWER: A


• When tow bowling balls simultaneously roll into a row of bowling balls that are at rest

A. the last ball moves out of the rowB. two balls move out of the rowC. no change is observedD. all the balls are set in motion

• ANSWER: B


• An inward force created by uniform circular motion is called

A. a buoyant forceB. centrifugal reactionC. centripetal forceD. gravity

• ANSWER: C

physical science eoc review practice test 2 laura rush green hope high school lrush1@wcpss

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