The solution is a bit complicated, it related to atoms and their energy bands.
Light is basically photons (moving particles with energy = hf)
The photons cause energy levels to jump or drop which is then considered to be a chemical change.
mmk
the atoms change in number
Unlike salt, potassium nitrate's chemical solubility is most affected by a change in temperature. Potassium nitrate is a chemical compound.
Its a chemical change hottie
chemical change
Plants can change light energy into chemical energy during the process of photosynthesis!
Yes, a glow stick produces light by means of a chemical change.
Most of the time the emission of light is a physical change but there are some chemical reactions which emit light as a byproduct of the reaction.
chemical
Physical change
Breaking a light stick is not a chemical in and of its self, but the subsequent process that produces light is.
That would be a chemical change because the firefly produces a bio-luminescent chemical. This chemical produces light which you see when the fire fly lights up!