States of matter

1. Which of the four states of matter occurs at the highest temperature? A. plasma B. liquid C. solid D. gas

A

16. Gold and silver have densities of 19.3 and 10.5 grams per cubic centimeter, respectively. If you have equal volumes of each, A. the gold has a greater mass. B. the silver has a greater mass. C. the masses are the same.

A

17. Gold and silver have densities of 19.3 and 10.5 grams per cubic centimeter, respectively. If you have equal masses of each, A. the gold has a greater volume. B. the silver has a greater volume. C. the volumes are the same.

A

20. A kilogram of metal A has a volume 20% larger than a kilogram of metal B. Which metal has the smaller density? A. metal A B. metal B C. They have the same density.

A

24. Iron has a density of 7860 kg/m3. What is the density of copper in g/cm3? A. 7.86 B. 78.6 C. 786 D. 7860

A

28. Given that most people are just about neutrally buoyant, it is reasonable to estimate the density of the human body to be about that of water. Given this assumption, the volume of an 80-kg person is A. 0.08 m3 B. 0.8 m3 C. 8 m3 D. 80 m3

A

29. A cube with a mass of 54 g is made from a metal with a density of 6 g/cm3. The volume of the cube is A. 9 cm3 B. 48 cm3 C. 60 cm3 D. 324 cm3

A

30. If 1000 cm3 of a gas with a density of 0.0009 g/cm3 condenses to a liquid with a density of 0.9 g/cm3, what is the volume of the liquid? A. 1 cm3 B. 10 cm3 C. 100 cm3 D. 1000 cm3

A

31. A solid ball with a volume of 0.4 m3 is made of a material with a density of 2500 kg/m3. What is the mass of the ball? A. 1000 kg B. 1500 kg C. 2500 kg D. 6250 kg

A

34. When held at the same temperature, Liquid A evaporates more quickly than Liquid B. Which of the following predictions are suggested by this observation? A. When placed on a surface, Liquid A will not bead up as much as Liquid B. B. Liquid A will be less dense than Liquid B. C. Both a and b D. Neither a nor b

A

35. Which of the following has the largest viscosity? A. honey B. air C. water D. gasoline

A

4. Substance W is a liquid at room temperature, while Substance Z is a gas. This suggests that the strength of the intermolecular forces between molecules of W is A. greater than the strength of the forces between molecules of Z. B. less than the strength of the forces between molecules of Z. C. equal to the strength of the forces between molecules of Z.

A

45. In order to pump water from a deep well, the pump should be placed A. at the bottom of the well B. at the top of the well C. either way works the same,do whatever is more convenient

A

51. If you weigh a block of metal under water, its weight is ____ its weight in air. A. less than B. larger than C. the same as

A

58. Three spheres have the same volumes and all float in water. Spheres A, B, and C have masses of 25 g, 30 g, and 35 g, respectively. Which sphere floats the highest? A. A B. B C. C D. They all float at the same height.

A

59. A block of plastic has a mass of 50 g and a volume of 40 cm3. Will the block sink or float in water? A. sink to the bottom B. float with 20% of the block above the surface C. float with its top at the surface D. sink to 80% of the depth of the water

A

60. A 500-g wooden block is lowered carefully into a completely full beaker of water and floats. What is the weight of the water, in newtons, that spills out of the beaker? A. 5 N B. 50 N C. 500 N D. 5000 N

A

65. A hollow sphere has an average density of 3 g/cm3 and a mass of 120 g. What will the sphere weigh under water? A. 0.8 N B. 0.9 N C. 0.12 N D. 0.36 N

A

67. An incompressible fluid is being pumped through a pipe that has a narrow region. The pressure in the narrow region is ____ that in the wider regions of the pipe. A. less than B. the same as C. greater than

A

68. An artery can become partially blocked due to the formation of plaques. When a red blood cell passes through the narrowed section of such an artery, it experiences A. a drop in pressure B. an increase in pressure C. no change in pressure

A

7. When a liquid is boiled and forms a gas, the chemical identity of the substance is retained. This suggests that A. the forces holding atoms together to form molecules are stronger than the forces holding molecules together in the liquid B. the forces holding atoms together to form molecules are weaker than the forces holding molecules together in the liquid C. the forces holding atoms together to form molecules are about the same strength as the forces holding molecules together in the liquid

A

10. Window glass is an example of A. a crystal. B. an amorphous solid. C. an alloy. D. a polymer.

B

15. A student measures the mass and volume of a piece of putty, obtaining the values 6 g and 10 mL. She divides 10/6 to obtain the number 1.67. Which of the following interpretations is correct? A. Each milliliter of clay has a mass of 1.67 grams. B. Each gram of clay has a volume of 1.67 milliliters. C. The number 1.67 has no physical interpretation,it is essentially meaningless.

B

19. A cubic meter of metal A has a mass 30% larger than a cubic meter of metal B. Which metal has the smaller density? A. metal A B. metal B C. They have the same density.

B

2. What is the force that binds atoms together? A. gravitational B. electric C. magnetic D. nuclear

B

21. Which has the larger density, fatty tissue or muscle? A. fatty tissue B. muscle C. They have the same density.

B

22. If a block of material has a mass of 16 grams and a volume of 8 cubic centimeters, what is its density? A. 0. 5 cubic centimeters per gram B. 2 grams per cubic centimeter C. 24 grams per cubic centimeter D. 128 grams-cubic centimeters

B

23. If a plastic toy has a mass of 9 g and a volume of 3 cm3, what is its density? A. 0.33 g/cm3 B. 3 g/cm3 C. 6 g/cm3 D. 12 g/cm3

B

26. What is the volume of a metallic object with a mass of 36 g if its density is 12 g/cm3? A. 0.33 m3 B. 3 cm3 C. 24 cm3 D. 48 cm3

B

27. If the density of a certain kind of wood is 0.8 g/cm3, what is the mass of 5 cm3 of the wood? A. 0.4 g B. 4.0 g C. 4.2 g D. 5.8 g

B

3. Substance X is a liquid at room temperature, while Substance Y is a solid. This suggests that the strength of the intermolecular forces between molecules of X is A. greater than the strength of the forces between molecules of Y. B. less than the strength of the forces between molecules of Y. C. equal to the strength of the forces between molecules of Y.

B

55. You have two cubes of the same size, one made of wood and the other of aluminum. Both cubes are placed in a water-filled aquarium. The wooden block floats, and the aluminum block sinks. Which cube, if either, experiences the greater buoyant force? A. the wood cube B. the aluminum cube C. Both cubes experience the same buoyant force.

B

6. What is the force that binds materials together? A. gravitational B. electric C. strong D. weak

B

66. A block of metal weighs 9 N in air and 7 N in water. What is the volume of the block? A. 2 cm3 B. 200 cm3 C. 700 cm3 D. 900 cm3

B

69. An aneurysm is a widening of an artery. This is dangerous because A. the artery is likely to collapse B. the artery is likely to rupture

B

8. What is the distinguishing characteristic of crystals? A. They are solids. B. They have repeating geometrical structures. C. They are bonded together by the electric forces between atoms. D. They have low melting points.

B

11. Density is defined as A. weight per unit volume. B. weight per unit area. C. mass per unit volume. D. mass per unit area.

C

12. Which has the larger density, a gold brick or a gold coin? A. brick B. coin C. They have the same density.

C

14. A type of clay has a uniform density of 2.6 g/cm3. To find the volume of a piece of the clay of mass M grams, A. multiply M*2.6 B. divide M/2.6 C. divide 2.6/M

C

18. Ball A has twice the diameter of Ball B. The two balls balance on either side of an equal arm balance. The density of Ball A is A. greater than that of Ball B. B. less than that of Ball B. C. equal to that of Ball B.

C

33. Which of the following effects is NOT a result of surface tension? A. A glass can be filled with milk beyond its brim. B. Liquids floating in the Space Shuttle from into spheres. C. The pressure increase with the depth in a fluid. D. Soap films on wire frames have minimal surface areas.

C

37. In which direction in a fluid at rest can you move without the pressure changing? A. up B. down C. horizontal D. The pressure doesn't change as you move in any of these directions.

C

39. Which of the following is NOT a unit used for atmospheric pressure? A. millimeters of mercury B. pounds per square inch C. newtons D. pascals

C

40. Why don't the forces exerted inward on our bodies by the atmosphere crush our bodies? A. The forces are too small due to the low density of air. B. The outer surfaces of the cells are strong enough to withstand the forces. C. The pressure inside our bodies is essentially the same as outside. D. Evolution has made our bodies capable of withstanding these strong forces.

C

41. At an atmospheric pressure of 100 kilopascals, what is the weight of the column of air above a square meter of the earth's surface? A. 100 N B. 147 N C. 100,000 N D. 147,000 N

C

46. Two barometers are made with water and oil. The density of oil is 900 kg/m3 and that of water is 1000 kg/m3. If the oil column is 10 m tall, how tall is the water column? A. 11.1 m B. 10 m C. 9 m D. 8.1 m

C

5. Substance A is a liquid at room temperature, while Substance B is a solid at room temperature. The average kinetic energy of the molecules of A is A. greater than the average kinetic energy of the molecules of B B. less than the average kinetic energy of the molecules of B C. equal to the average kinetic energy of the molecules of B

C

52. Salt water is slightly denser than fresh water. A 50-ton ship will experience a greater buoyant force floating in a lake of A. fresh water. B. salt water. C. The buoyant force would be the same in both lakes.

C

54. You have two cubes of the same size, one made of aluminum and the other of lead. Both cubes are allowed to sink to the bottom of a water-filled aquarium. Which cube, if either, experiences the greater buoyant force? A. the aluminum cube B. the lead cube C. Both cubes experience the same buoyant force.

C

56. An ice cube is floating in a glass of water. As the ice cube melts, the water level in the glass will A. go up. B. go down. C. stay the same.

C

57. Three spheres have the same mass and all float in water. Spheres A, B, and C have volumes of 30 cm3, 35 cm3, and 40 cm3, respectively. Which sphere floats the highest? A. A B. B C. C D. They all float at the same height.

C

61. A 400-cm3 block of aluminum (D = 2.7 g/cm3) is lowered carefully into a completely full beaker of water. What is the weight of the water that spills out of the beaker? A. 1.08 N B. 1.48 N C. 4 N D. 10.8 N

C

62. A piece of plastic just barely floats in water. If it has a mass of 20 g, what is its volume? A. 2 cm3 B. 10 cm3 C. 20 cm3 D. 30 cm3

C

63. A hollow box has a mass of 200 g. What is the minimum volume the box could have and still float? A. 20 cm3 B. 100 cm3 C. 200 cm3 D. 300 cm3

C

64. A plastic bobber just barely floats in water. If it weighs 2 N in air, what is its volume? A. 2 cm3 B. 100 cm3 C. 200 cm3 D. 300 cm3

C

9. What of the following is NOT a crystal? A. mica B. ice C. bronze D. table salt

C

53. Salt water is slightly denser than fresh water. Will a 12-pound bowling ball feel a greater buoyant force sitting on the bottom of a freshwater lake or on the bottom of the ocean? A. on the bottom of a freshwater lake B. on the bottom of the ocean

C. The buoyant force would be the same. B

25. Uranium has a density of 18.7 g/cm3. What is the density of silver in kg/m3? A. 18.7 B. 187 C. 1870 D. 18,700

D

32. How do liquid crystals differ from ordinary liquids? Liquid crystals have A. higher melting points. B. repeating geometrical patterns. C. higher densities. D. an orientational order.

D

36. Pressure is the A. mass per unit volume. B. mass per unit area. C. force per unit volume. D. force per unit area.

D

38. In which direction in a fluid at rest is the pressure the greatest at a given depth? A. upward B. downward C. horizontal D. The pressure is the same in all directions.

D

47. On a day when the mercury column in a barometer on top of a mountain stands 50 cm tall, how high would the column in a water barometer be? The density of mercury is 13.6 times that of water. A. 3.68 cm B. 50 cm C. 63.6 cm D. 680 cm

D

48. On a day when a water barometer reads 10 m, what is the pressure at the bottom of a 20-m deep tank of water? A. 1 atm B. 2 atm C. 3 atm D. 4 atm

D

49. Archimedes' principle tell us that the buoyant force is equal to the A. mass of the object. B. weight of the object. C. mass of the displaced fluid. D. weight of the displaced fluid.

D

50. An object floats whenever its A. mass is less than the mass of an equal volume of the fluid. B. weight is less than the weight of an equal volume of the fluid. C. density is less than the density of the fluid. D. All of the above.

D

42. Tube A and Tube B both contain water. The pressure at the base of A is A. greater than the pressure at the base of B. B. less than the pressure at the base of B. C. equal to the pressure at the base of B.

SKIPPED

43. Exhibit 12-1 A test tube of height 10 cm is filled with water and then inverted into a small bowl of water as shown. A second, identical test tube/bowl apparatus is prepared in exactly the same way, but with mercury. Refer to Exhibit 12-1. The pressure at the top of the column of water is A. greater than atmospheric pressure B. less than atmospheric pressure C. equal to atmospheric pressure

SKIPPED

44. Exhibit 12-1 A test tube of height 10 cm is filled with water and then inverted into a small bowl of water as shown. A second, identical test tube/bowl apparatus is prepared in exactly the same way, but with mercury. Refer to Exhibit 12-1. The pressure at the top of the column of water is A. greater than the pressure at the top of the column of mercury B. less than the pressure at the top of the column of mercury C. equal to the pressure at the top of the column of mercury

SKIPPED

13. A uniform board is cut into pieces A and B of unequal size as shown. The densities of the pieces compare as follows: A. original board > B > A B. A > B > original board C. original board = A = B D. B > A > original board

SKIPPED, NEED TO ADD PIC