Question

mujhe science me ek model banana hai class 10th ki ncert book me se bina motor ke to konsa best model rahega

Answer 1

you may make any thing like
a double helix DNA model
making electricity from potato
solar vehicle
and so on .....................

try to make one of the above

Answer 2

here's what i made for my science exhibition.........
It's a projector made by shoe box , torch , bulb , cellophane sheet , etc
Check it out here...........
https://www.youtube.com/watch?v=jKWsHRgkzLU