16. Investigation into transpiration using a simple potometer
- 00:33 Why must the end of the stalk be cut underwater before assembly?
- 00:49 Why is Vaseline applied to the joints of the potometer?
- 01:31 Which metabolic processes use water?
small beaker of water
freshly cut plant stems (cut end in water)
scissors / sharp knife
bowl of water
Scissors / sharp knife
Cuts to skin
Cut downwards and away from body