Si Units/Prefixes

Question 1

Distance

Answer 1

Metre

m

Question 2

Time

Answer 2

Second

s

Question 3

Velocity/speed

Answer 3

Metre per second

m/s

Question 4

Acceleration

Answer 4

Metres per second squared

m/s2

Question 5

Energy

Answer 5

Joules

J

Question 6

Force

Answer 6

Newtons

N

Question 7

Mass

Answer 7

Kilograms

Kg

Question 8

Work done

Answer 8

Joules

J

Question 9

Gravitational field strength

Answer 9

Newtons per kilogram

N/Kg

Question 10

Spring constant

Answer 10

Newtons per metre

N/m

Question 11

Power

Answer 11

Watts

W

Question 12

Frequency

Answer 12

Hertz

Hz

Question 13

Wavelength

Answer 13

Metres

m

Question 14

Charge flow

Answer 14

Coulombs

C

Question 15

Current

Answer 15

Amps

A

Question 16

Resistance

Answer 16

Ohms

n

Question 17

Density

Answer 17

Kilograms per meters cubed

Kg/m3

Question 18

Specific heat capacity

Answer 18

Joules per kilogram degrees Celsius

J/Kg °c

Question 19

Specific latent heat

Answer 19

Joules per kilogram

J/Kg

Question 20

Nano

Answer 20

X 10-9

n

Question 21

Micro

Answer 21

X10-6

Question 22

Milli

Answer 22

X 10 -3

m

Question 23

Centi

Answer 23

X 10 - 2

C

Question 24

Kili/kilo

Answer 24

X10 3

K

Question 25

Mega

Answer 25

X10 6

M

Question 26

Giga

Answer 26

X10 9

G

Question 27

Order the prefixes

Answer 27

Nano 
Micro
Milli
Centi
Kilo/killi
Mega
Giga