There are many ways in which you could build a simple working model of an ear for a science fair. You could build this out of paper mache for example.
How do you build a working model of science and technology for games and sports?
see your physics book
windmill
COLING BELL give the lsit of working models in the wikipidea
make a model on water as a generator for electricity............fgydfndluloeimxydn,uk,c,hxusik fvydufjiydj
yes,i want simple but good science project on reflection of sound can you help me
non working
science electronic working model
You would not be able to obtain the fissile material necessary to build a working model of a nuclear power plant. You could build a model, for sure, but it would not be a working model.
you can build it out of anything if you are smart
working model of noise pollution for class 3
yes