Which insulator did the best job and which was the worst?

Paper cup: 19.4 C
Foil cup: 18.0 C
Bubble wrap cup: 14.3 C

1 answer

The insulator that did the best job at keeping the liquid warm was the paper cup with a temperature of 19.4 C. The insulator that did the worst job was the bubble wrap cup with a temperature of 14.3 C.