Measurements
How will you measure these?
Length can be measured with a metre scale or tape.
Standard unit of length- Metre. Its symbol is m
Unit
Symbol
Number of metres it has
Kilometre
Km
1000 m
Metre
m
1m
Centimetre
cm
0.01m
Millimeter
mm
0.001m
Micrometre
um
0.000001m
Nanometre
nm
0.000000001 m
Mass can be measure with weighing scale, weighing balance or spring
balance.
Standard unit of mass- Kilogram. Its symbol is Kg
Unit
Symbol
Number of kilograms it has
Megatonn
Mt
1,000,000,000 Kg
tonne
t
1000 Kg
Kilogram
Kg
1 Kg
gram
g
0.001 Kg
milligram
mg
0.000001 Kg
Ways to measure mass
Time can be measured with a stopwatch, normal clocks
Standard unit of time- Seconds. Its symbol is s
Unit
Symbol
Number of kilograms it has
day
d
86400 s
hour
h
3600 s
minute
min
60 s
Second
s
1s
millisecond
ms
0.001 s
Temperature
Temperature is a measurement of how hot or
cold something is.
It is measuring using a thermometer.
The kelvin (K) is the SI unit for temperature.
Types of Thermometer
Measuring errors (Parallax Error)
Meniscus
Please solve the following worksheets
Length
Mass
Time
Temperature