10 points for the best idea- in science?

Question

I need to make a science project but i don't know what to do

So could u help me plz. , I want it to be nice, can be done at

home, and not too complicated

Answer 1

do hydroponics, it is quite simple.  you could do two different studies, one side tap water and the other side filtered water, or one of the sides could be rain water.

Answer 2

how about th iron the car or the fridge