SUMMARY

1. Temperature

1.1. Mercury and ALcohol thermometers are of the same type.ie. liquid filled thermometers.

1.2. Tools used:

1.2.1. Mercury thermometer

1.2.2. Alcohol thermometer

1.2.3. Resistance thermometer

1.2.4. Thermocouple thermometer

1.2.5. Thermsitors

1.2.6. Optical pyrometer

1.2.7. Constant volume gas thermometer

1.2.8. New node

2. Length

2.1. Tools Used:

2.1.1. Micrometer

2.1.2. Vernier Calipers

2.1.3. Ruler

2.2. SI unit:

2.2.1. Metre

3. Mass

3.1. Tools used:

3.1.1. Measuring scales:

3.1.1.1. Electronic balance

3.1.1.2. Beam balance

3.2. SI unit:

3.2.1. Kilogram

4. Time

4.1. Tools used:

4.1.1. Stopclock

4.1.2. Digital stopwatch

4.1.3. Analogue stopwatch

4.2. Second