1)While watering the plants in activity 2 encourage students to use a beaker. This will be a reinforcement of their measuring skills.

2)Mark the plastic bags in activity 2 as 1 and 2 with respect to the pot number so that when it is untied from the leaves for measuring the water there will not be any confusion.

3)Fixing a good section of the specimen is recommended before putting the video camera.

4)If video microscopic camera is not available,you can just ignore that part and continue with the lesson.