Comprehension Passage
Directions: Question are based on the following passage.
A teacher of Class VIII demonstrates the following activity in her class: “The teacher takes a small amount of sulphur in a spoon and burns it. She then puts the spoon into a tumbler with a lid to ensure that the gas produced does not escape. After a few minutes, she adds water to the tumbler.”
Which process skills can be promoted through the above activity?
1
Observation and measurement
2
Observation and controlling variables
3
Observation, inference and measurement
4
Observation, classification and inference