I thank it is a electricity and something like that
Freezing of water is a physical change.
bone,
Do the logs change from wood to some other substance? No, so it has to be a physical change.
circle, sphere, oval
It's a physical change why are some people f$#@%ing stupid and saying a chemical change??
is a physical change. The popsicle is still a popsicle even if its freezed, nothing has changed with it but its physical appearance :)
they are both some sort of change
Color Speed Sound
non example of chemical change: one non example is ice. ice is NOT an example of chemical change.
Crumple is a physical change.
Sleeping involve some chemical reactions and physical phenomenons but I suppose that it is exaggerate to consider sleep as a chemical/physical change.