Question

what are science working models? Give examples.

Answer 1

models which are totally based on scientific principle are called science modals.here are some example and principle on they work-                                   1.periscope- reflection of light.                                                                             2.kaleidoscope- multiple reflection.                                                                     3.electromagnet- magnetic effect of current.  

Answer 2

Models which have scientific purpose or principle are called science models
Periscope
Kaleidoscope
Magnetism
Windmill
Volcanic eruption