4.
SKILL: Hypothesis formulation; design of apparatus or experiment
Kshema is doing an experiment to understand the effect of different shapes and sizes of
containers on the speed of evaporation. She pours equal amounts of water in four
containers as shown below. Answer the following question related to Kshema's experiment.

OPTIONS:-
(a) Place the four containers in different rooms and leave them for a day.
(b) Place the four containers in the same room, all of them on a table and leave them for
a day.
(c) Place one container on the table every day and once it is checked for evaporation,
place another container for a day.
(d) Place all the four containers in the same room - one under the fan, one under the
table, one near the window, one in a corner and leave them for a day.
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