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WorksheetsMeasurement, uncertainty, and scientific notation
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
Random errors lead to a lack of:
a)
accuracy in the measurement.
b)
significant digits in the measurement.
c)
precision in the measurement.
d)
gradation of the measuring instrument
2.
length?
a)
3.2 cm
b)
3.12 cm
c)
3 cm
d)
3.219 cm
3.
What is 67,490 rounded to 2 significant figures?
a)
67 500
b)
60 000
c)
68,000
d)
67, 000
4.
How many significant figures are in the measurement 0.0570 min?
a)
2
b)
3
c)
4
d)
5
5.
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
6.
What is the temperature and uncertainty indicated by this thermometer?
a)
24.1 ± 0.5 °C
b)
24.05 ± 0.05 °C
c)
24 ± 1 °C
d)
28.0 ± 0.1°C
7.
What is the mass?
a)
272.1 cm
b)
270.2 g
c)
272.1 g
d)
270.1 g
8.
How can you read the measurement result below?
a)
1,26 mm
b)
1,27 cm
c)
1,16 cm
d)
1,17 cm
e)
1,17 mm
9.
Systematic errors lead to a lack of:
a)
accuracy in the measurement.
b)
significant digits in the measurement.
c)
precision in the measurement.
d)
gradation of the measuring instrument
10.
Read the screw micrometer shown below!
a)
5,25 cm
b)
5,74 mm
c)
7,54 cm
d)
7,52 mm
e)
7,74 mm
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