Know that changing state is an example of a physical change. In physical changes the reactant particles are not changed – the particles are simply rearranged. Know that physical changes can usually be easily reversed.

How does a coronal mass ejection (cme) affect the solar wind? a cme adds more particles to the solar wind, intensifying it. a cme blocks the solar wind, causing it to fade. a cme does not affect the solar wind but it does affect auroras. a cme increases the amount of energy in the solar wind.