A physical change change the composition or identity of the substance. will will not 2. An example of a physical change is crushing a rock a shirt fading in the sun 3. The most common occurrences of physical changes are changes in the phase of matter. changes that occur in nature.

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth