→Activity No 1
* '''Multimedia resources'''
* '''Website interactives/ links/ simulations'''
* '''Process (How to do the activity)'''
take 20cm of thin copper wire, winding it on a pen refill, and carefully take out to make it like a spring<br>
connect the copper spring to 3 volt electric source, record the temperatures of after 5 minutes and 10 minutes<br>