Calculate the heat capacity of a wood block if you know that 1500.0 g of the wood loses 6.75×10^4 joules of energy and causes its temperature to decrease from 57°C to 32°C.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.