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Yes. Physical changes only cause a substance to change in the appearance. You could measure if it grew in size, if it changed color, the amount of components the substance now contains after the physical change
Heating the solid piece of sodium metal can cause a physical change by melting it into a liquid. Cooling the liquid sodium back to its solid state would also be a physical change.
Exposure to air or moisture can cause sodium metal to oxidize and form sodium hydroxide, a different chemical compound. This chemical reaction would result in a physical change in the appearance and properties of the sodium metal.
Well it could either be a physical change OR a chemical change. .
Freezing it should only be a physical (not chemical) change. cutting it in half
It is a chemical change because you cannot not make the smell go away, if you could it would be a physical change
cut it
Heartburn is not caused by just certain foods. It is caused by gastric reflux and hyperacidity in the stomach. Yes, a banana could cause heartburn.
It could be implantation bleeding or it could be cause of may thing stress weight change. Also stress. Spermicides can also cause allergic reaction. So if in doubtful go to your doctor for full physical examination. Good luck.
It is a physical change because when salt is added to water,it is dissolved in it which only changes its physical appearance.
A physical change in a tennis ball could be flattening or deformation from being hit or squeezed. Another physical change could be discoloration or fading of the ball's outer fabric due to exposure to sunlight or wear and tear.
Yes, but there are other things that could cause this. A radical emotional, physical, or dietary change can also cause a missed period.