- A Metre rule
- A wire of length at least 100 cm
- A retort stand, boss and clamp.
- A stop watch or stop clock
- A micrometer screw gauge
- An overflow can
- A beaker at least 50 ml or more.
- A 50 ml measuring cylinder
- A piece of thread about 30 cm
- Water in a 250 ml beaker
- Two pieces of wood.
- Mass labelled m, 45 grams.