concept map on methods of seperation

Concept map on Materials metals and non metals

concept map on Properties of materials

Analogy of Thomson's Atomic model

Conclusion; The watermelon resembles the model of atom. the flash in the watermelon is like the Positive charge in the atom.And the seeds in the watermelon is the Negative charge.This was told by  J.J Thomson.Though this model was then Rejected. But this is also the example of analogy.

Break down of analogy; Watermelon is big in size as compared to an atom, an atom is very small in size. we can't seee  atom in our nacked eyes.

analogy on the topic structure of earth

Conclusion;Crust resembles skin of the peach,the mantle resembles the inner peach,The outer cruster resembles the dark portion of the peach (inner),and the Inner crust resembles the pit of the peach i.e the seed in the peach.

Break down of analogy :  The earth is large in size whereas the peach is small in size.Also the colour of the layers differ.