Measurements
- Length is measured in metres. One metre is divided into 100 centimetre and one centimetre is divided into 10 millimetres.
- Very long distances are measured in kilometres.
- Ruler, metre rod and measuring tape are some devices used to measure length.
- 1 kilometre = 1000 metres
1 metre = 100 centimetres
1 centimetre =10 millimetres
- Weight is measured in grams and kilograms.
- Balance or weighing machine are used to easure weights.
- 1 kilogram = 1000 grams
1 gram = 100 milligrams.
- Time is measured in hours, minutes and seconds. Clocks and watches are used to measure time.
- 1 hour = 60 minutes
1 minute = 60 seconds
- Temperature tells us how hot or cold a body is. Thermometer is used to measure it.
- Temperature is measured in degrees Celsius \[[{}^\circ C]\] or degrees Fahrenheit \[[{}^\circ F]\].
- Clinical thermometers are used to measure body temperature. It has readings from \[35{}^\circ C\]to \[42{}^\circ C\]. The body temperature of a normal person is \[37{}^\circ C\] or \[98.6{}^\circ F\].
- Volume is measured in litres and millilitres.
1 litre = 1000 millilitres
- Measuring cylinders, cans, bottles, etc., are used to measure volume.
