Question

best topics for science working models for science exhibition

Genuine answers please...no stupid answers...need it urgently

Answer 1

make a model of volcano

Answer 2

1) conversion of wind energy into electrical energy
2)water refining by using charcoal
3)any type of receptor : In this model suppose take thermoreceptors... In this u can move the hand by using rubber band to show the detection of skin towards heat or cold
4) model of magnetism
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Hope my answers are useful to u