Notes - Measurements

**Category : **3rd Class

**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.

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