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Chapter 2 Review

Total questions: 119

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

volume is measured using unit of

a)

Cubic meter

b)

Liters

c)

Millimeters

d)

Grams

2.

1 L=

a)

100 mL

b)

1000 mL

c)

100 mL

3.

1 L=

a)

1.06 qt

b)

1.07 qt

c)

100 qt

4.

946 mL=

a)

2 qt

b)

3 qt

c)

1 qt

5.

Length is measured in

a)

Meters

b)

Centimeters

c)

Grams

d)

Seconds

6.

1 m=

a)

100 cm

b)

1 cm

c)

1000 cm

7.

1 m=

a)

37.8 in.

b)

45.7 in

c)

39.4 in.

8.

1 m=

a)

1.04 yd

b)

1.05 yd

c)

1.09 yd

9.

2.54 cm=

a)

2 in

b)

2.54 in

c)

1 in

d)

3 in

10.

The mass of an object, a measure of the quantity of material it contains:

a)

Is measured on an electronic balance

b)

Has the SI unit of kilogram (kg)

c)

Is often measured in grams

d)

Is often measured in liters

11.

1 kg=

a)

10 g

b)

100 g

c)

1000 g

12.

1 kg=

a)

3.30 lb

b)

2.20 lb

c)

1.10 lb

13.

454 g=

a)

1 lb

b)

2 lb

c)

3 lb

d)

4 lb

14.

Temperature is

a)

A measure of how hot or cold an object feels

b)

A measure on a scale

c)

A measure of how big or small an object is

15.

Temperature is measured in

a)

Celsius

b)

Kelvin

c)

Fahrenheit

d)

Grams

16.

Water freezes at ___ Celsius and ___ at Celsius

a)

32, 212

b)

0, 100

17.

Water freezes at ___ Fahrenheit and boils at ___ Fahrenheit

a)

0,100

b)

32, 212

18.

Time is measured in

a)

Seconds

b)

Minutes

c)

Hours

19.

A bag of onions has a mass of 2.6kg

a)

Length

b)

Mass

c)

Volume

20.

A person is 1.7 m tall.

a)

Length

b)

Mass

c)

Volume

21.

A medication contains 0.50g of aspirin

a)

Length

b)

Mass

c)

Volume

22.

A bottle contains 1.5 L of water

a)

Length

b)

Mass

c)

Volume

23.

Volume SI unit:

a)

Liter

b)

Cubic meter (m^3)

c)

Meter (m)

d)

Kilogram (kg)

24.

Mass SI unit:

a)

Gram

b)

Kilogram

c)

Meter

d)

Cubic meter

25.

Length SI unit:

a)

Meter

b)

Cubic meter

c)

Kilogram

26.

Temperature SI unit:

a)

Kelvin

b)

Celsius

c)

Fahrenheit

27.

Identify the measurement given in an SI unit.


Johns height is

a)

1.5 yd

b)

6 ft

c)

1.9 m

28.

The mass of a lemon is

a)

12 oz

b)

0.145 kg

c)

0.31 lb

29.

The temperature is

a)

255 K

b)

85 C

c)

45 F

30.

A measuring tool

a)

Is used to determined a quantity such as the length or the mass of an object

b)

Provides numbers for a measurement called measured numbers

c)

Is measured on an electronic balance

d)

Is often measured by chemists in grams

31.
a)

9.2 cm

b)

9.4 cm

c)

9.20 cm

32.

All nonzero numbers are counted as

a)

Non significant figures

b)

Significant figures

33.

A number is a significant figure is it is

a)

Not a zero

b)

A zero between nonzero digits

c)

A zero at the end of a decimal number

d)

The coefficient of a number written in scientific notation

e)

At the beginning of a decimal number

34.

A zero is not significant if it is

a)

a zero between nonzero digits

b)

At the beginning of a decimal number a zero at the end of a decimal number

c)

Used as a placeholder in a large number without a decimal point

d)

Not a zero

35.

All nonzero numbers in a measured number are:

a)

Non significant

b)

Significant

36.

How many sig figs


38.15

a)

2

b)

4

c)

3

37.

5.6


how many sig figs

a)

1

b)

2

c)

None

38.

65.6


how many sig figs

a)

2

b)

3

c)

4

39.

122.55


how many sig figs

a)

5

b)

4

c)

3

40.

Zeroes between nonzero digits are:

a)

Significant

b)

Non significant

41.

how many sig figs


50.08

a)

2

b)

4

c)

3

42.

how many sig figs


201

a)

2

b)

3

c)

1

43.

0.0702


how many sig figs

a)

5

b)

4

c)

3

44.

0.40505

a)

6

b)

5

c)

4

d)

3

45.

Zeroes at the end of decimal numbers are

a)

Non significant

b)

Significant

46.

200.


how many sig figs

a)

1

b)

2

c)

3

47.

How many sig figs


40.00

a)

4

b)

2

c)

1

48.

Zeroes at the beginning of decimal numbers are:

a)

Significant

b)

Not significant

49.

0.440


how many sig figs

a)

3

b)

4

c)

2

50.

0.022


how many sig figs

a)

3

b)

4

c)

2

51.

0.003


how many sig figs

a)

3

b)

4

c)

1

52.

zeros used as placeholders in a large number without a decimal point are:

a)

Not significant

b)

Significant

53.

44000


how many sig figs

a)

5

b)

3

c)

4

d)

2

54.

810


how many sig figs

a)

3

b)

2

c)

1

55.

6150000

how many sig figs

a)

7

b)

6

c)

3

d)

2

56.

zeros in the coefficient of numbers written in scientific notation are:

a)

Not significant

b)

Significant

57.

4.90 x 10^3


how many sig figs

a)

3

b)

2

c)

6

58.

8.0 x 10^-3

a)

1

b)

5

c)

2

59.

6.0330 x 10^-5


how many sig figs

a)

5

b)

4

c)

3

60.

Keep only the sig zeros when

a)

Writing numbers in scientific notation

b)

Writing numbers with non zeroes

61.

500.


in scientific notation

a)

5 x 10^2

b)

5.00 x 10^2

62.

400000


in scientific notation

a)

4.0 x 10^5

b)

4.00 x 10^5

c)

4 x 10^5

63.

0.30


how many sig figs

a)

0.30 x 10^-1

b)

3.0 x 10^-1

c)

3 x 10^-1

64.

0.30


scientific notation

a)

3 x 10^-1

b)

3.0 x 10^-1

65.

0.002650


scientific notation

a)

2.65 x 10^-3

b)

2.6 x 10^-3

c)

0.002 x 10^-3

66.

43.026


scientific notation

a)

43.0 x 10^1

b)

43 x 10^1

c)

4.3 x 10^1

67.

1044000


scientific notation

a)

1.0 x 10^6

b)

1.04 x 10^6

68.

Exact numbers are:

a)

Numbers obtained by counting terms

b)

Decimal numbers obtained by counting terms

c)

Definitions that compare two units in the same measuring system

d)

Definitions that compare a unit to the same measuring system

69.

Exact numbers are:

a)

Not measured

b)

Do not have a limited number of sig figs

c)

Do not affect the number of sig figs in a calculation

d)

Are measured

e)

Have a limited number of sig figs

70.

1 ft = 12 in.

a)

Exact number

b)

Not an exact number

71.

1 kg = 1000g

a)

Not exact number

b)

Exact number

72.

8 cookies

a)

Exact number

b)

Not an exact number

73.

2 baseballs

a)

Exact number

b)

Not an exact number

74.

Identify the numbers below as measured or exact in each measured number.

A. 3 coins

B. The diameter of a circle is 7.902 cm. C. 60 min = 1 h

a)

Exact, measured, exact

b)

Measured, exact, measured

c)

Exact, measured, measured

75.

State the number of significant figures in each of the following measurements:

A. 0.030 m

B. 4.050 L

C. 0.0008 g

D. 2.80 m

a)

A. 2

b. 4

c. 1

d. 3

b)

A. 4

b. 2

c. 5

d. 2

76.

Which answer contains three significant figures?

(1) 0.4760

(2) 0.00476

(3) 4.076 × 103

a)

1. 4

2. 3

3. 4

b)

1. 5

2. 5

3. 3

77.

All the zeros are significant in

(1) 0.00307

(2) 25.300

(3) 2.050 × 103

a)

1. No

2. Yes

3. Yes

b)

1. Yes

2. No

3. Yes

78.

The number of significant figures in 5.80 × 10^2 is

(1) one

(2) two

(3) three

a)

One

b)

Two

c)

Three

79.

Write the correct value when 3.145 g is rounded off to each of the following:

A. three SFs

B. two SFs

a)

two: 3.1

three: 3.14

b)

Two: 14

three: 145

80.

In multiplication or division, the final answer is written to have the same number of significant figures (SFs) as the measurement having____.

a)

The fewest SFs

b)

The most SFs

81.

Perform the following calculation of measured numbers. Give the answer with the correct number of significant figures.


5.00 cm x 3.408 cm / 2.0 cm

a)

8.52

b)

8

c)

8.5

82.

In addition or subtraction, the final answer is written so that it has the same number of decimal places as the measurement having the _____.

a)

The fewest SFs

b)

The fewest decimal places

83.

2.012 + 61.09 + 3.0 = ?

a)

66.102

b)

66.10

c)

66.1

84.

65.09 + 3.0 = ?

a)

62.09

b)

62.0

c)

62.1

d)

62

85.

82.409 + 22.0 = ?

a)

104.409

b)

104.4

c)

104.41

86.

1 kilometer =

a)

1000 m

b)

100 m

c)

10 m

87.

1 millimeter =

a)

0.001 m

b)

0.01 m

c)

0.1 m

88.

kilo means

a)

100

b)

10

c)

1000

89.

Kiloliter

a)

10

b)

100

c)

1000

90.

Kilograms

a)

10

b)

1000

c)

100

91.

Tera means

a)

100,000

b)

10,000

c)

1,000,000,000,000

92.

Giga means

a)

1,000,000

b)

1,000,000,000

c)

1,000

93.

Mega means

a)

1,000

b)

1,000,000

c)

1,000,000,000

94.

Shows the relationship between two units that’s measure the same quantity

a)

Non-equality

b)

Equality

95.

1m = 100 cm =


scientific notation

a)

1 x 10^2

b)

1 x 10^3

96.

Identify the larger unit in each of the following:


mm or cm

a)

mm

b)

cm

97.

Identify the larger unit in each of the following:


kilogram or centigram

a)

Kilogram

b)

Centigram

98.

Identify the larger unit in each of the following:


dL or μL

a)

dL

b)

μL

99.

Identify the larger unit in each of the following:


mcg or mg

a)

mcg

b)

mg

100.

1 kg =

a)

10 g

b)

100 g

c)

1000 g

101.

1 cL =

a)

0.01

b)

0.001

102.

1 kg =

a)

2.20

b)

2.00

c)

100

103.

If a person weighs 178 lb, what is the body mass in kilograms?


1 kg = 2.20


(hint: make a conversion factor bozo)

a)

82.7 kg

b)

80.9 kg

c)

90.8 kg

104.

A rattlesnake is 2.44 m long. How many centimeters long is the snake?

(1 m = 100cm)

(hint: make a conversion factor)

a)

2.44 cm

b)

244 cm

c)

2.4 cm

105.

A doctor’s order prescribed a dosage of 0.150 mg of Synthroid. If you only have 50.-mcg tablets in stock, how many tablets are required to provide the prescribed dosage?


1 mg = 1000 mcg

1 tablet = 50 mcg


(hint: two conversion factors)

a)

3

b)

2

c)

4

106.

How many minutes are in 1.6 days


(conversion factor!!)

a)

2305

b)

2304

c)

2361

d)

2360

107.

Density =

a)

Mass/volume

b)

Volume/mass

108.

Substances that have higher densities contain particles that are

a)

Closely packed together

b)

Farther apart

109.

Substances that have lower densities contain particles that are

a)

Farther apart

b)

Closely packed together

110.

Substances that have metals such as gold and lead have higher densities because

a)

Their atoms are closely packed together

b)

There atoms are farther apart

111.

Find the density of zinc


(hint: density = mass/volume (there are TWO volumes…))

a)

7.2 g/mL

b)

6.2 g/mL

c)

3.5 g/mL

112.

What is the density (g/mL) of a 48.0-g sample of a metal if the level of water in a graduated cylinder rises from 25.0 mL to 33.0 mL after the metal is added?


density = mass/volume

a)

6.0

b)

5.0

c)

3.0

113.

Volume=

a)

Mass/density

b)

Density/mass

114.

An unknown liquid has a density of 1.32 g/mL. What is the volume (mL) of a 14.7-g sample of the liquid?


hint: volume= mass/density

a)

11 mL

b)

11.1 mL

c)

11.13 mL

d)

11.136 mL

115.

John took 2.0 teaspoons (tsp) of cough syrup for a cough. If the syrup had a density of 1.20 g/mL and there is 5.0 mL in 1 tsp, what was the mass, in grams, of the cough syrup?


hint: density = mass/volume

hint: 2 tsp = 10mL (which mean one tsp equals 5 mL)

a)

1.20 grams

b)

1.2 grams

c)

1 gram

116.

Specific gravity is

a)

A relationship between the density of a substance and the density of water

b)

X

117.

Density of water =

a)

1.00 g/mL at 4 celsius

b)

2.00 g/mL at 4 Celsius

c)

3.00 g/mL at 4 Celsius

118.

A substance with a specific gravity of 1.00 has

a)

the same density as water

b)

a different density as water

119.

Specific Gravity=

a)

Density of sample/ density of water

b)

Density of water/ density of sample

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