Heat G7

How do you tell if something is hot or cold? By the sense of touch! Touching a hot pan will let you know that the pan is hot, and holding an ice-cream will let you know that it is cold. In this chapter, we will run through the science of HEAT. How do we measure it? What tools do we use to measure the heat? What is the use of thermometer? Every question will be answered, just click to watch the videos.