Deck 2: Matter: Properties, Changes and Measurements

Question 1

From what material could evidence be found that might yield a conviction of "Tommy Karate"?

A)Water samples
B)Soil
C)Grass and leaves
D)Wood samples

Answer 1

B

Question 2

In the "Grave Evidence" case, who was serving as an informant against the Gotti family?

A)Gianni Gotti
B)"Tommy Karate" Pitera
C)"Willie Boy" Johnson
D)"Willie Boy" Gotti

Answer 2

C

Question 3

What must occur in a physical change?

A)A new substance must be formed.
B)The chemical identity of a material must change.
C)A material must decompose or be formed.
D)The state of matter must be altered.

Answer 3

D

Question 4

What is a characteristic of a chemical change?

A)A substance melts or freezes.
B)A material evaporates.
C)Both of the above.
D)None of the above.

Question 5

Which of the following measures how much matter is contained in a sample?

A)Mass
B)Volume
C)Density
D)Weight

Question 6

Which of the following units measures volume?

A)Kilograms
B)Pounds
C)Liters
D)Seconds

Question 7

Which of the following does the scientific method utilize?

A)Collecting relevant data
B)Forming a hypothesis
C)Testing the hypothesis
D)All of the above

Question 8

The scientific method tries to determine the nature of the problem.

Question 9

How many meters are in 830 mm?

A)0.083 m
B)0.830 m
C)8.30 m
D)83.0 m

Question 10

What is the conversion factor between centimeters and inches?

A)1 m / 2.54 cm
B)1 cm / 2.54 in
C)2.54 in / 1 cm
D)2.54 cm / 1 in

Question 11

How many meters are in 0.645 km?

A)645 m
B)64.5 m
C)6450 m
D)6.45 m

Question 12

The length 3.0 ft contains how many centimeters?

A)300.0 cm
B)30.0 cm
C)9.14 cm
D)91.4 cm

Question 13

What is the difference between mass and weight?

A)All matter has weight, but not all matter has mass.
B)Weight is a measure of the pull of matter to a scale or measuring device, while mass is a measure of how much matter weighs.
C)All matter has mass, but only limited amounts have weight.
D)Weight is a measure of the pull of matter to the earth, while mass is a measure of how much matter is in a sample.

Question 14

Burning is an example of a physical change.

Question 15

What is 3.83 m in cm?

A)383 cm
B)38.3 cm
C)3830 cm
D)0.00383 cm

Question 16

How many millimeters are in a centimeter?

A)0.01
B)1000
C)100
D)10

Question 17

How is weight commonly measured?

A)With a thermometer
B)In milligrams
C)With a scale
D)In metric units

Question 18

What is the abbreviation for liters, a unit of volume?

A)L
B)Lt
C)Ls
D)lt

Question 19

Mass is always measured in grams.

Question 20

A gram is a smaller unit of mass than a kilogram.

Question 21

There are 10,000 meters in a kilometer.

Question 22

How many numbers in a scientific measurement are always an estimate?

A)1
B)2
C)3
D)At least 2

Question 23

What does the term "significant figure" mean?

A)All digits in a number that are known exactly.
B)The first digit in a number that is known exactly, plus one that is an estimate.
C)All digits in a number that are known exactly, plus one that is an estimate.
D)None of the above.

Question 24

The number 3.26 × 10^-4 is represented in scientific notation. How many significant figures does it have?

A)4
B)3
C)2
D)1

Question 25

How many milligrams are there in 0.002 g?

A)0.2
B)2
C)20
D)200

Question 26

Convert 830 mL to L:

A)83.0
B)0.083
C)0.83
D)8.30

Question 27

How many milliliters are in 0.468 L?

A)468
B)46.8
C)4.68
D)0.0468

Question 28

23.9 mg is the same as 0.239 g

Question 29

How many centimeters are there in 2.54 in.?

A)6.45
B)1.00
C)5.08
D)15.48

Question 30

How many yards are in 153 ft.?

A)12.75
B)1836
C)51
D)459

Question 31

Convert 3.5 ft. to cm.

A)0.75
B)1.4
C)8.9
D)107

Question 32

There are 3 yards in a foot.

Question 33

How many grams are there in a sample of salt weighing 1908 mg?

A)190.8
B)19.08
C)1.908
D)0.1908

Question 34

How many yards are there in 342 cm?

A)0.374
B)4104
C)869
D)3.74

Question 35

Twenty yards is the same as how many meters?

A)60
B)20
C)183
D)18.3

Question 36

How many milliliters are there in 13.500 L?

A)1350.0
B)13,500
C)135.00
D)0.13500

Question 37

The average of two numbers is 1.983. How is this best expressed to three significant figures?

A)2.00
B)1.90
C)1.99
D)1.98

Question 38

What is the answer, to the correct number of significant figures, to the following: 10.34 + 9.4 = ____?

A)19.74
B)19.7
C)19.0
D)19.8

Question 39

How many significant figures are in the number 1.0043?

A)5
B)3
C)2
D)1

Question 40

When two length measurements were summed, the answer came to 3.416 m. What is this when represented to three significant figures?

A)3.415 m
B)3.41 m
C)3.42 m
D)3.40 m

Question 41

How many significant figures are there in the number 0.00204?

A)3
B)2
C)4
D)5

Question 42

The number 13.0 has how many significant figures?

A)2
B)3
C)1
D)4

Question 43

How many significant figures are there in the number 1027?

A)4
B)3
C)2
D)1

Question 44

How many significant figures does the number 23.120 have?

A)3
B)4
C)5
D)6

Question 45

How many significant figures are there in the number 12,100?

A)3
B)5
C)Both of the above are possible.
D)Neither of the above is possible.

Question 46

The number 8.03 contains how many significant figures?

A)3
B)2
C)1
D)4

Question 47

How many significant figures are there in the number 100,000?

A)1
B)2
C)6
D)A or C, depending on how the number was obtained

Question 48

Good accuracy and good precision in three measurements means that all three have what in common?

A)Values close to each other and close to the true value
B)Values close to each other
C)Values close to the true value
D)Values close to the true value, but not necessarily close to each other

Question 49

If a true value is 1.76 m, how are the following measurements of it best defined: 1.92 m, 1.91 m, and 1.94 m?

A)Neither accurate nor precise
B)Accurate, but not precise
C)Precise, but not accurate
D)Both accurate and precise

Question 50

Which is the best definition of accuracy?

A)How close theoretical results are to a true or real value
B)How close experimental results are to a theoretical or real value
C)How close experimental results are to a true or real value
D)How often results can be obtained in repeated measurements

Question 51

How many significant figures should the answer to the following equation have?
2)3 × 13.669 = ____

A)1
B)2
C)3
D)4

Question 52

The answer to the following calculation should have how many significant figures?
12)0112 × 32.3 = ____

A)2
B)3
C)4
D)5

Question 53

How many significant figures should the answer to the following calculation have?
18)03 / 9.2 = _____

A)1
B)2
C)3
D)4

Question 54

How many significant figures should the answer to this question have?
14 + 3.078 = ____

A)2
B)3
C)4
D)5

Question 55

When a material floats, what is its density?

A)Above 0.5 g/ml
B)Above 1.0 g/ml
C)At or above 1.0 g/ml
D)Less than 1.0 g/ml

Question 56

What two measurements determine density, and in what relationship to each other?

A)Volume multiplied by mass
B)Mass multiplied by volume
C)Mass divided by volume
D)Volume divided by mass

Question 57

Which of the following represent three measurements that are the most precise?

A)1.35, 1.20, and 1.28
B)1.02, 0.82, and 1.87
C)1.11, 1.93, and 1.90
D)1.20, 1.22, and 1.19

Question 58

Which of the following represent three measurements that are the least precise?

A)2.34, 2.40, and 2.37
B)14.2, 14.1, and 14.3
C)3.45, 45.3, and 13.1
D)35.2, 35.5, and 35.4

Question 59

Accuracy is several measurements compared against a true, known value.

Question 60

If a true value for the mass of a sample is 0.100 g, which of the following is the most accurate?

A)0.105 g
B)0.099 g
C)0.104 g
D)0.093 g

Question 61

If a sample has a mass of 2.370 g, which of the following other readings is the most accurate?

A)2.330 g
B)2.368 g
C)2.450 g
D)2.373 g

Question 62

A sample has a mass of 0.002 g. Which of the following is the most accurate comparison measurement of it?

A)0.001 g
B)0.004 g
C)0.005 g
D)0.006 g

Question 63

If a true value for the mass of a sample is 1300 g, which of the following is the most accurate?

A)1200 g
B)1295 g
C)1350 g
D)1310 g

Question 64

What is the density of a material with a mass of 23.9 g and a volume of 27.5 mL?

A)51.4 g/mL
B)1.15 g/mL
C)3.60 g/mL
D)0.869 g/mL

Question 65

What is the density of a material with a mass of 1.20 g and a volume of 13.5 mL?

A)12.3 g/mL
B)16.2 g/mL
C)0.0889 g/mL
D)14.7 g/mL

Question 66

What is the density of a sample with a volume of 10.0 mL and a mass of 13.9 g?

A)1.39 g/mL
B)3.90 g/mL
C)139.0 g/mL
D)0.719 g/mL

Question 67

How dense is a powdered material with a mass of 9.8 g and a volume of 1.2 mL?

A)11.0 g/mL
B)0.122 g/mL
C)8.2 g/mL
D)7.7 g/mL

Question 68

What is the density of a liquid sample with a mass of 22.0 g and a volume of 10.9 mL?

A)32.9 g/mL
B)11.1 g/mL
C)2.02 g/mL
D)22.0 g/mL

Question 69

A chemical with a mass of 3.2 g and a volume of 4.1 mL has what density?

A)0.9 g/mL
B)7.3 g/mL
C)13.1 g/mL
D)0.78 g/mL

Question 70

The density of a sample with a mass of 3.9 g and a volume of 2.8 mL is 0.72 g/mL.

Question 71

Liquids are not always less dense than solids.

Question 72

What is the mass of a material with a density of 2.22 g/mL and a volume of 5.11 mL?

A)2.30 g
B)11.3 g
C)0.434 g
D)2.89 g

Question 73

A sample with a density of 6.01 g/mL and a volume of 1.97 mL has what mass?

A)0.328 g
B)3.05 g
C)11.8 g
D)4.04 g

Question 74

What is the mass of a metal with a density of 10.98 g/mL and a volume of 0.900 mL?

A)9.88 g
B)10.08 g
C)0.082 g
D)11.88 g

Question 75

A chemical sample with a mass of 10.0 g and a volume of 5.00 mL has to have a density of 3.00 g/mL.

Question 76

How much mass does a sample with a density of 1.23 g/mL and a volume of 6.14 mL have?

A)4.99 g
B)4.91 g
C)7.55 g
D)7.37 g

Question 77

What is the mass of a material with a density of 12.42 g/mL and a volume of 1.33 mL?

A)16.5 g
B)11.09 g
C)0.107 g
D)13.75 g

Question 78

What is the mass of a sample with a volume of 2.45 mL and a density of 3.42 g/mL?

A)1.40 g
B)0.716 g
C)8.38 g
D)0.970 g

Question 79

A chemical sample with a density of 7.25 g/mL and a volume of 1.99 mL has what mass?

A)3.64 g
B)5.26 g
C)0.274 g
D)14.4 g

Question 80

What is the volume of a material with a density of 2.22 g/mL and a mass of 5.11 g?

A)2.89 mL
B)11.3 mL
C)0.434 mL
D)2.30 mL