1) What is the difference between Temperature and Heat?
2) What is Specific Heat Capacity?
3) Why are there spaces between railroad tracks? Why the railroad track is not continuous as one piece miles after miles?
4) Why water is denser than Ice?
5) Why the volume of liquid water decreases as the temperature is increased from 0 degree-C to 4 degree-C? Does the volume of water increase or decrease after 4 degree C?