Question 23
Two set-ups, K and L, were prepared for an experiment using four identical
Styrofoam cups. The apparatus at the start of the experiment is shown in the
diagram below.
The temperature of the water in each of the four cups were recorded ten
minutes after the start of the experiment. Arrange the cups according to the
temperature of the water in them, from the coolest to the hottest.
Coolest Hottest
A.
D, B, C, A
B.
A, C, D, B
C.
B, D, C, A
D.
D, C, B, A
Thermometer
Thermometer
Aluminium rod
Wooden rod
Cup A with
100 ml of hot
°
water at 90 C
Cup B with
50 ml of cold
°
water at 10 C
Set-up K
Cup C with
50 ml of hot
°
water at 90 C
Cup D with
100 ml of cold
°
water at 10 C
Set-up L
Styrofoam cups. The apparatus at the start of the experiment is shown in the
diagram below.
The temperature of the water in each of the four cups were recorded ten
minutes after the start of the experiment. Arrange the cups according to the
temperature of the water in them, from the coolest to the hottest.
Coolest Hottest
A.
D, B, C, A
B.
A, C, D, B
C.
B, D, C, A
D.
D, C, B, A
Thermometer
Thermometer
Aluminium rod
Wooden rod
Cup A with
100 ml of hot
°
water at 90 C
Cup B with
50 ml of cold
°
water at 10 C
Set-up K
Cup C with
50 ml of hot
°
water at 90 C
Cup D with
100 ml of cold
°
water at 10 C
Set-up L