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SI Units ENGINEERING SCIENCE

Total questions: 16

Worksheet time: 18mins

Name
Class
Date
1.

Convert 0.032m to mm in index form.

a)

3.2 x 10 mm

b)

32mm

c)

3.25 x 10^2 mm

d)

3.2mm

2.

Which SI unit is used to measure time?

a)

K

b)

s

c)

mol

d)

N

3.

Which SI unit is used to measure mass?

a)

s

b)

m

c)

kg

d)

Pa

4.

Which SI unit is used to measure length?

a)

mol

b)

m

c)

kg

d)

m2

5.

What is the symbol for the prefix kilo-?

a)

L

b)

m

c)

k

d)

kg

6.
What number is the metric system based?
a)
10
b)
20
c)
1
d)
100
7.

The Equation symbol for mass is?

a)

m

b)

s

c)

I

d)

t

8.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
9.

Which SI unit is used to measure current?

a)

mol

b)

K

c)

cd

d)

A

10.

Which SI unit is used to measure temperature?

a)

m

b)

K

c)

s

d)

A

11.

Which SI unit is used to measure luminous intensity?

a)

cd

b)

K

c)

mol

d)

s

12.

Which SI unit is used to measure amount of substance?

a)

m

b)

K

c)

mol

d)

A

13.

Which unit is the largest?  

a)
km
b)
mm
c)
m
d)
cm 
14.

What is the multiplying factor for the prefix centi-?

a)

10

b)

0.01

c)

0.1

d)

100

15.

What is the multiplying factor for the prefix kilo-?

a)

1

b)

0.000001

c)

1000

d)

10

16.

What is the multiplying factor for the prefix mega-?

a)

1,000,000

b)

0.000001

c)

100

d)

0.01