Question 7
Karlos conducted an experiment as shown below. The containers were filled completely with equal amount of boiling water and left on a plane surface. He recorded the temperature of the water in each container at intervals of 5 minutes for one hour.
Which of the following could be the possible objective(s) of his experiment?
I. To find out which containers is a better conductor of heat
II. To find out how fast boiling water loses heat to its surroundings
III. To find out which material can best keep the water warm for a longer time
IV. To find out whether the thickness of the different materials would affect the time for the water to cool.
A. III only
B. I and III only
C. II and IV only
D. I, II and IV only
Editorial response format: Explain your reasoning and any limitation in the original choices.
Which of the following could be the possible objective(s) of his experiment?
I. To find out which containers is a better conductor of heat
II. To find out how fast boiling water loses heat to its surroundings
III. To find out which material can best keep the water warm for a longer time
IV. To find out whether the thickness of the different materials would affect the time for the water to cool.
A. III only
B. I and III only
C. II and IV only
D. I, II and IV only
Editorial response format: Explain your reasoning and any limitation in the original choices.