Models are the exact copies of the original things. models allow students to understand and observe every aspect and feature of the original thing without actually seeing or touching it.Example:- Globe is considered to be a model of earth. Generally, the earth can only be seen from space, but the globe gives the whole description of the earth to the student without actually seeing it. Features of modelsRepresent the exact description of the original resource.Avoid the risk of going to the original ones like volcanoesStudents can touch and feel the models for better understanding.By seeing models students not only get a clear understanding but also get ideas to create new models. Additional Information ChartsDisplay various information regarding the teaching topic. Also contains pictures but is less effective than models.NarrativesA narrative, story, or tale is any account of a series of related events or experiences, whether nonfictional or fictional. Here engagement of students will be less as compared to models.WorksheetsA worksheet is a sheet of paper given by tutors to students to do a particular task. Worksheets are suitable for a few topics only.Hence models are an effective resource for the learning of EVS.