WorksheetsSI UNITS
Total questions: 20
Worksheet time: 16mins
Name
Class
Date
1.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
2.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
3.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
4.
Determine the number of Significant Figures in 10.0 g
a)
5
b)
4
c)
3
d)
2
5.
Determine the number of Significant Figures in 48032 m3.
a)
5
b)
4
c)
3
d)
2
6.
How many Significant Figures in the number below?
4.56 x 103
4.56 x 103
a)
5
b)
4
c)
6
d)
3
7.
How many significant figures does the following number have: 1740200
a)
2
b)
1
c)
3
d)
5
8.
How many significant figures: 216 m
a)
1
b)
2
c)
3
d)
0
9.
How many significant figures: 153.0 mL
a)
1
b)
2
c)
3
d)
4
10.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
11.
How many significant figures: 0.001 g
a)
4
b)
3
c)
2
d)
1
12.
How many sig figs are there?
100.00
100.00
a)
1
b)
3
c)
4
d)
5
13.
How many sig figs are there?
4004
4004
a)
1
b)
2
c)
3
d)
4
14.
The SI unit for time is the?
a)
gram (g)
b)
meter (m)
c)
Kilo (kg)
d)
Seconds (s)
15.
The SI unit for temperature is ______.
a)
degree fahrenheit (° F)
b)
degree celsius (° C)
c)
kelvin (K)
d)
degree centigrade (°C)
16.
The diagram shows part of a ruler. The ruler is used to find the length of a nail.
What is the length of the nail?
a)
2.2 cm
b)
2.7 cm
c)
3.2 cm
d)
3.7 cm
17.
What SI unit is used to measure electric current?
a)
seconds
b)
amperes
c)
Kelvin
d)
mole
18.
Which of the following pairs of physical quantity and SI unit is correct ?
a)
Mass - SI unit : Gram
b)
Time - SI unit : Hour
c)
Electric current - SI unit : Volt
d)
Temperature - SI unit : Kelvin
19.
9 meters = ___________cm
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
20.
The kg is the SI unit of
a)
weight
b)
quantity
c)
grams
d)
mass
100 %
