What happens when an electron moves from a high energy level to a lower one?

A. it absorbs light

B. it emits light

C. it disappears

D. it gets bigger

B.

The electron or metallic ion emits different colored lights depending on what end of the spectrum it's on. Another cause of the colored flames is what kind of substance you are burning (Calcium Nitrate, Potassium Nitrate, etc ...)

B. It emits light and energy is released and photon is created.