A change in matter in which the density of the inatter
stays the same

A physical property that will be the same regardless of the amount of matter. Extensive Properties:  A physical property that will change if the amount of matter changes.

so what is the problem with your lab report and whats the subject of the lab report? i will you

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.