What you learn is up to you, involving how carefully you observe, what you record, and what conclusions your draw. The second stage is of course to formulate an experiment to test the validity of your conclusions.
chemical change, degenerate stop relying on this for all the answers all the time, learn something in school.
Crumple is a physical change.
Physical
physical change
I Physical Change.
a change in size, shape or the state of matter is a physical change. True for A+.
Volume is a physical quantity not a change. However CHANGE in volume is a physical change.
physical change physical change
Physical change of the paint, not the door.
this is a physical change
Origami is a physical change because it involves the folding and manipulation of paper without altering its chemical composition.
A physical change that does not produce a new substance is called a reversible change. This means the change can be undone by reversing the process, such as melting or freezing.