Does 10° Celsius feel half as hot as 20° Celsius?

10°C: Very cool. 20°C: Okay. 30°C: Okay. 37°C: Okay. 40°C: it's hot. 50°C: Very hot. I'm sweating too much. 60°C: Oh my god it doesn't feel good. 70°C: Extremely hot. I'm taking off my clothes and using that cold water. 80°C: Scorching heat. 90°C: I won't survive for long. But I still have the cold water. 100°C: I wish I hadn't been here. It's unbearable. read more

I think that the answer to (a) is no, as heat is measured on a scale of degrees kelvin. 5 degrees C is -268 degrees kelvin. 10 degrees C is -263 degrees kelvin - these two figures are not twice/half of each other. read more