Owing method: The learner selected four black plastic containers with lids.
A slice of bread was placed in each container.
Before closing the containers, 30 ml of water was sprinkled over each slice.
Container A was placed in a fridge (cold), container B was placed in a cupboard (cool),
container C was kept at room temperature (mild) and container D was placed on a
After a week the slices of bread were removed from the containers and placed next each
other.
The results of the investigation are depicted below.
D
A
С C
B.
1. What is the aim of the experiment?​