Kristin’s teacher gave the students a formative assessment on the movement of particles in solids, liquids, and gases. She projected the models shown below with the following 3 questions: 1. Which model shows particles of ocean water? 2. Which model shows particles of glaciers? 3. Which model shows particles of hot air?

b i think it’s a water wheel turning in a stream

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.

more infor would

a lot