5. what do you think earth would be like if the continental drift never took place?

The earth probably would still be Pangaea form. All the continents would still be combined, and the earth would look very different.

The whole earth would still be together "Pangaea" 

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.