Science P6 RGPS 2018 SA1 Q26

Natalie wanted to make a shirt to keep her warm on cold days. She wrapped four materials, A, B, C and D, around each identical container covered with a lid. Each container was filled with the same amount of hot water as shown below.Natalie recorded the temperature of the water at the start of the experiment and twenty minutes later. The results of her experiment are recorded below.
Time (min)Temperature of water (ºC) in container wrapped with…
Material AMaterial BMaterial CMaterial D
Based on the results, which cloth material should Natalie choose for making the shirt?