Gunpowder, this changed the world. Paper, silk, warships.
Instead of writing my essays in paper and pencil and ca type them and print them out. It has made me more lazy.
Ash and smoke.
so that there is an easier way to transport massages. and also a way of entertaiment projects Ect..
Shredding paper is a physical change because you can put all the pieces of paper back together again, i.e. it is still paper. The chemical nature has not changed, only the APPEARANCE has changed.
A phsical change is something that can be changed but cant be changed back. for example: you can crumple a piece of paper but it is still paper. A chemical change means it has been changed perminetly so for example: If you burn the paper its ashes not paper. it was ashes but youy cant change it back into paper. Hope this helps :)
NO, only 6 to 8 are changed
I have no clue
Yes
computer, television, telephone , internet, light bulb, post, car, bicycle, paper, electricity, aeroplane.
paper has changed our lives because we can recycle and use it over and over again, saving the Earth's trees and oxygen; saving us.
it has changed in the world