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Chem_SigFigs and Measurement Review

Total questions: 58

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
Considering Sigfigs what would be the correct length of the square's sides?
a)
1.25
b)
1.2
c)
1.3
d)
1.40
2.
The estimated digit in the length of the rectangle would be_______.
a)
1
b)
9
c)
7
d)
None of the above
3.
The estimated digit in the width of the rectangle would be_______.
a)
First 1.
b)
5
c)
Last 1.
d)
None of the above
4.
The length of a rectangle measures 4.568cm x 2.3cm(two different rulers were used). The correct reported area of the rectangle would be_______
a)
10.5064 cm2
b)
10.5 cm2
c)

12 cm2

d)
10. cm2
5.
The length and width of a rectangle measure 4.568cm x 2.3cm(two different rulers were used). The correct reported perimeter of the rectangle would be_______
a)
13.8 cm
b)
13.73 cm
c)
13.74 cm
d)
13.7 cm
6.
What is the bet estimate for the length of a pencil eraser?
a)
1 centimeter
b)
1 inch
c)
1 foot
d)
1 meter
7.
1 meter=
a)
100 inches
b)
100 centimeters
c)
1 centimeter
d)
1 inch
8.

Which is a valid unit of measuring a liquid?

a)

Inches

b)

Grams

c)

Milliliters

d)

Centimeters

9.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
10.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
11.
How many significant figures does the following number have: 56.040
a)
2
b)
3
c)
4
d)
5
12.
Calculate 923 g ÷ 20312 cm3 and give your answer with the appropriate number of significant figures.
a)
0.04 g/cm3
b)
0.045 g/cm3
c)
0.0454 g/cm3
d)
4 x 10-2 g/cm3
13.
Calculate 7.987 m - 0.54 m and give your answer with the appropriate number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
14.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
15.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
16.
How many Significant Figures in the number below?
4.56 x 103
a)
5
b)
4
c)
6
d)
3
17.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
18.
How would you write 0.0005 in scientific notation?
a)
50 x 104
b)
5 x 10-4
c)
5 x 10-3
d)
.5 x 103
19.
It is a measure of how close measurements come to each other when they are made in the same way
a)
Accuracy
b)
Precision
c)
Error
d)
Extrapolation
20.

How close a measurement is to the accepted value is called..

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

21.
When a measurement is repeatable and consistent it is said to have...
a)
High precision
b)
Low precision
c)
High accuracy
d)
Low accuracy
22.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
23.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
24.
The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
a)
15.79%
b)
18.75%
c)
2.25%
d)
18%
25.
Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  
a)
15%
b)
20%
c)
25%
d)
30%
26.
Describe the accuracy and precision of the image
a)
Accurate and Precise
b)
Accurate and not precise
c)
Not Accurate and Precise
d)
not accurate and not precise
27.
How many sig figs are in 730?
a)
1
b)
2
c)
3
d)
4
28.
How many significant figures does the following number have: 1740200
a)
2
b)
1
c)
3
d)
5
29.

Which is the more precise measurement?

a)

4 mL

b)

4.3 mL

c)

4.30 mL

d)

4.300 mL

30.
How many sig figs are in 927.0020?
a)
4
b)
3
c)
6
d)
7
31.
Describe the accuracy and precision of the image
a)
Accurate and Precise
b)
Accurate and not precise
c)
Not Accurate and Precise
d)
not accurate and not precise
32.
How many significant figures does the following number have: 100.3
a)
4
b)
3
c)
5
d)
2
33.
A set of data are all close to each other, and they are close to the actual value.  This set of data can be described as...
a)
accurate
b)
precise
c)
both precise and accurate
34.

What quantity is measured by the mole?

a)

electric current

b)

luminous intensity

c)

mass

d)

amount of substance

35.

What can be calculated by comparing the accuracy of an experimental measurement to the accepted value?

a)

percent composition

b)

percent error

c)

percent daily value

d)

percent by mass

36.

How many significant digits: 405 m

a)

1

b)

2

c)

3

d)

4

37.

How many sig figs allowed in the answer...Volume of a box with a length of 10 meters, width 456 meters, height 35 meters?

a)

1

b)

2

c)

3

d)

4

38.

Standard notation of 6.5 x 103

a)

65

b)

650

c)

6500

d)

65000

39.

Scientific notation of .009870

a)

9.87 x 103

b)

9.87 x 10-3

c)

9.870 x 103

d)

9.870 x 10-3

40.

10 mm =

a)

1 cm

b)

10 cm

c)

0.1 cm

d)

0.01 cm

41.

1 m =

a)

1 mm

b)

10 mm

c)

100 mm

d)

1,000 mm

42.

1,000 m =

a)

1 km

b)

10 km

c)

0.1 km

d)

0.01 km

43.

1L =

a)

1,000 mL

b)

10,000 mL

c)

100 mL

d)

10 mL

44.

1g =

a)

1,000 mg

b)

100 mg

c)

10 mg

d)

1 mg

45.

1,000g =

a)

1kg

b)

0.1kg

c)

10kg

d)

0.01kg

46.

Which of the following is the correct scientific notation for 0.0032?

a)

3.2 x 10-3

b)

3.2 x 103

c)

0.32 x 10-2

d)

32 x 10-2

47.

Record the measurement to the correct number of sig figs and with the appropriate unit for volume.

a)

12.80 mL

b)

12.8 mL

c)

12.40 mL

d)

12.4 mL

48.

Record the measurement to the correct number of sig figs and with the appropriate unit for metric length.

a)
41.10 cm
b)

41.1 cm

c)

41.01 cm

d)

41.10 mL

49.

What is the volume of the purple liquid using correct sig figs?

a)

8.4 mL

b)

8.5 mL

c)

8.43 mL

d)

8.50 mL

50.

Which of the following numbers does not have 2 sig figs?

a)

20.0

b)

0.0020

c)

20

d)

24,000

51.

The tool used to measure temperature is the

a)

triple beam balance

b)

graduated cylinder

c)

thermometer

d)

meter stick

52.

Which statement about the measurement 17.4 cm is TRUE?

a)

All of the digits are known with certainty.

b)

The 1 and 7 are certain, but the 4 is uncertain.

c)

The 1 is certain, but the 7 and 4 are uncertain.

d)

All of the digits are uncertain.

53.

Record the volume of the liquid in the beaker using correct sig figs.

a)

44 mL

b)

40 mL

c)

50 mL

d)

48 mL

54.

Record the temperature using correct sig figs.

a)

16⁰C

b)

16 1/2 ⁰C

c)

16.33⁰C

d)

16.4⁰C

55.

A student measures a volume of 100 mL in an Erlenmeyer flask. How many sig figs are in this measurement? And which piece of equipment could this student use to be more precise?

a)

1; graduated cylinder

b)

3; graduated cylinder

c)

1; beaker

d)

3; beaker

56.

Calculate 12.47 m ÷ 3.2 s and give your answer with the correct number of sig figs.

a)

4 m/s

b)

3.9 m/s

c)

3.90 m/s

d)

3.897 m/s

57.

WHAT IS THE LENGTH?

a)

29

b)

29.2

c)

29.20

d)

30

58.

How many sig figs are in 200,000,000?

a)

1

b)

3

c)

9

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