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Light energy can be concentrated in special light beams called

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Presentation on theme: "Light energy can be concentrated in special light beams called"— Presentation transcript:

1 PHYSICAL SCIENCE EOC REVIEW PRACTICE TEST 2 Laura Rush Green Hope High School lrush1@wcpss.net

2 Light energy can be concentrated in special light beams called
EOC REVIEW ENERGY Light energy can be concentrated in special light beams called masers rays lasers burning rays ANSWER: C

3 EOC REVIEW ENERGY 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

4 In an energy transformation some energy is destroyed
EOC REVIEW ENERGY In an energy transformation some energy is destroyed some energy is created energy is changed to matter no energy is lost ANSWER: D

5 EOC REVIEW ELECTRICAL ENERGY
When the number of electrons and protons in a sample of matter are equal, the matter is neutral positively charged negatively charged insulated ANSWER: A

6 EOC REVIEW ELECTRICAL ENERGY
Rubbing one substance against another causes nothing to happen a loss of protons a transfer of electrons a gain of protons ANSWER: C

7 EOC REVIEW ELECTRICAL ENERGY
Two positively charged pith balls, brought close together, have no effect on each other repel each other attract each other first repel and then attract each other ANSWER: B

8 EOC REVIEW MAGNETISM ANSWER: C
An instrument currently used for navigation that operates on the principle of magnetism is a map lodestone compass ANSWER: C

9 EOC REVIEW MAGNETISM ANSWER: A
The theory that the Earth is a giant magnet was proposed by Gilbert Maxwell Ampere Oersted ANSWER: A

10 EOC REVIEW MAGNETISM ANSWER: B
To find the magnetic north pole of the Earth, scientists use an instrument known as a compass dipping needle lodestone sextant ANSWER: B

11 EOC REVIEW ELECTRICITY & MAGNETISM
To determine which end of an electromagnet is the north pole, we can use a piece of steel tacks the left-hand rule the right-hand rule ANSWER: C

12 EOC REVIEW ELECTRICITY & MAGNETISM
A decrease in the amount of current supplied to an electromagnet causes the strength of the electromagnet to increase decrease remain the same first decrease, then increase ANSWER: B

13 EOC REVIEW ELECTRICITY & MAGNETISM
When the number of turns of wire around the core of an electromagnet is increased, the strength of the electromagnet increases decrease remain the same first decrease, then increase ANSWER: A

14 EOC REVIEW HEAT ENERGY ANSWER: A
The freezing point of water in the absolute temperature scale is 273oK 273oC 273oF 0oC ANSWER: A

15 EOC REVIEW HEAT ENERGY ANSWER: C
When objects are at different temperatures, heat is not transferred heat is transferred from the cooler object to the warmer object heat is transferred from the warmer object to the cooler object ANSWER: C

16 EOC REVIEW HEAT ENERGY ANSWER: B
Of the following, the best conductor of heat is nickel copper brass aluminum ANSWER: B

17 EOC REVIEW SOUND ENERGY
Of the following, the device used to detect underwater objects is laser radar maser sonar ANSWER: D

18 EOC REVIEW SOUND ENERGY
Of the following, sound is most closely associated with mechanical energy chemical energy heat energy potential energy ANSWER: A

19 EOC REVIEW SOUND ENERGY
Matter that transmits sound possesses the property of flexibility elasticity permeability ductility ANSWER: B

20 EOC REVIEW LIGHT ENERGY
The scientist who first measured the speed of light was Huygens Planck Maxwell Roemer ANSWER: D

21 EOC REVIEW LIGHT ENERGY
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

22 EOC REVIEW LIGHT ENERGY
The darker inner part of a shadow is known as the umbra crest penumbra trough ANSWER: A

23 EOC REVIEW REFRACTION, LENSES & COLOR
The bending of light is known as reflection refraction diffraction dispersion ANSWER: B

24 EOC REVIEW REFRACTION, LENSES & COLOR
When a ruler is placed in water at an oblique angle, besides appearing bent, the rule appears to be curved smaller magnified unaffected ANSWER: C

25 EOC REVIEW REFRACTION, LENSES & COLOR
When light enters a medium such as water or glass from the air, its speed decreases increases remains the same increases, then decreases ANSWER: A

26 PHYSICAL SCIENCE EOC REVIEW Metallic Properties Solutions Suspensions & Emulsions Properties of Water Acids, Bases, and Salts Organic Chemistry Laura Rush Green Hope High School

27 EOC REVIEW METALLIC COMPOUNDS
Of the following, the one that is not an agent of corrosion is water chromium oxygen sulfur dioxide ANSWER: B

28 EOC REVIEW METALLIC COMPOUNDS
In the process of galvanizing, iron is coated with tin lead copper zinc ANSWER: D

29 EOC REVIEW METALLIC COMPOUNDS
Of the following, the covering that does not prevent corrosion is water oil grease paint ANSWER: A

30 EOC REVIEW SOLUTIONS ANSWER: C
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

31 EOC REVIEW SOLUTIONS In a solution, the dissolved substance is called
solute solvent tincture distilled ANSWER: A

32 EOC REVIEW SOLUTIONS The liquid referred to as the “universal solvent” is benzene oil alcohol water ANSWER: D

33 EOC REVIEW SUSPENSIONS/EMULSIONS
Brownian motion describes the movement of atoms particles in a suspension colloidal particles coagulated particles ANSWER: C

34 EOC REVIEW SUSPENSIONS/EMULSIONS
Of the following, the substance with the smallest particles is clay sand gravel pebbles ANSWER: A

35 EOC REVIEW SUSPENSIONS/EMULSIONS
The particles of a solution absorbs all light do not affect light reflect light are opaque to light ANSWER: B

36 EOC REVIEW PROPERTIES OF WATER
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

37 EOC REVIEW PROPERTIES OF WATER
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

38 EOC REVIEW PROPERTIES OF WATER
Generally, the boiling point of water at sea level is 100 degrees Celsius 100 degrees Fahrenheit 202 degrees Celsius 32 degrees Fahrenheit ANSWER: A

39 EOC REVIEW ACIDS, BASES, SALTS
Of the following, the salt that is used to make photographic film is NaCl Ca(NO3)2 K2SO4 AgBr ANSWER: D

40 EOC REVIEW ACIDS, BASES, SALTS
A salt used as the electrolyte in dry cells is ammonium carbonate ammonium chloride silver nitrate sodium sulfate ANSWER: B

41 EOC REVIEW ACIDS, BASES, SALTS
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

42 EOC REVIEW ORGANIC CHEMISTRY
The major component in organic compounds is the element oxygen carbon hydrogen chlorine ANSWER: B

43 EOC REVIEW ORGANIC CHEMISTRY
One product of the burning of wood is petroleum cellulose water oxygen ANSWER: C

44 EOC REVIEW ORGANIC CHEMISTRY
The substance with the lowest melting point is NaCl SiO2 NaOH paraffin ANSWER: D

45 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

46 Laura Rush Green Hope High School lrush1@wcpss.net
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

47 EOC REVIEW NATURE OF MATTER
Changes that continue unaided are said to be A consistent B spontaneous C reversible D models ANSWER: B

48 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

49 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

50 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

51 EOC REVIEW COMPOSITION OF MATTER
The element needed to sustain life is A iron B oxygen C hydrogen D water ANSWER: B

52 EOC REVIEW CHEMISTRY OF ELEMENTS
When metals react chemically, they A gain electrons B lose electrons C gain protons D lose protons ANSWER: B

53 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

54 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

55 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

56 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

57 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

58 EOC REVIEW CHEMISTRY OF COMPOUNDS
The total atomic mass of an element in a compound is 12. The formula mass of the compound is The percentage composition of the element in the compound is A 12% B 88% C 0.12% D 1.2% ANSWER: A

59 EOC REVIEW CHEMISTRY OF COMPOUNDS
The formula H2O2 represents the compound A water B hydrogen peroxide C hydrogen monoxide D hydrogen dioxide ANSWER: B

60 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

61 The law of conservation of matter was first suggested by A Dalton
EOC REVIEW REACTIONS The law of conservation of matter was first suggested by A Dalton B Lavoisier C Democritus D Rutherford ANSWER: B

62 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

63 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

64 PHYSICAL SCIENCE EOC REVIEW NUCLEAR FORCES & MOTION WORK & POWER FLUID FORCES MACHINES Laura Rush Green Hope High School

65 EOC REVIEW NUCLEAR ENERGY
Of the following, the radioisotope used to treat a thyroid gland is cobalt-60 carbon-14 iodine-131 phosphorus-32 ANSWER: C

66 EOC REVIEW NUCLEAR ENERGY
Changes in heredity that may be produced by radiation are called transformations chemical changes mutations physical changes ANSWER: C

67 EOC REVIEW NUCLEAR ENERGY
A device to track and study radioactive particles is an electroscope a cyclotron a Geiger counter a cloud chamber ANSWER: D

68 EOC REVIEW FORCES ANSWER: B
A push or pull exerted on an object is known as energy force charge magnetism ANSWER: B

69 EOC REVIEW FORCES ANSWER: D
Of the following, the example that does not create a force is magnetism gravity electrical charges velocity ANSWER: D

70 EOC REVIEW FORCES ANSWER: A
When several forces act on an object and the object does not move, the forces are said to be balanced unbalanced stable unstable ANSWER: A

71 EOC REVIEW WORK & MACHINES
The ideal mechanical advantage of a pulley system can be found from the formula DR/DE E/R R/DE DE/DR ANSWER: D

72 EOC REVIEW WORK & MACHINES
A simple machine used in a steering wheel and a bicycle is a lever wedge pulley wheel-and-axle ANSWER: D

73 EOC REVIEW WORK & MACHINES
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

74 EOC REVIEW FLUID FORCES
The term fluid applies only to liquids only to gases only to solids to liquids and gases ANSWER: D

75 EOC REVIEW FLUID FORCES
Density is determined by the formula m/v v/m v x v m + v ANSWER: A

76 EOC REVIEW FLUID FORCES
In the English system of measurements, density is measured in pounds per square inch pounds per cubic foot grams per cubic centimeter grams per cubic foot ANSWER: B

77 EOC REVIEW FORCES & MOTION
The motion of a jet aircraft is primarily based on the law of action and reaction inertia momentum conservation of energy ANSWER: A

78 EOC REVIEW FORCES & MOTION
When tow bowling balls simultaneously roll into a row of bowling balls that are at rest the last ball moves out of the row two balls move out of the row no change is observed all the balls are set in motion ANSWER: B

79 EOC REVIEW FORCES & MOTION
An inward force created by uniform circular motion is called a buoyant force centrifugal reaction centripetal force gravity ANSWER: C


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