Its energy level increases, it becomes more excited, and it moves more quickly. Studying for a chemistry final? As an electron moves from a higher energy level to a lower energy level, energy is released and a specific color of light is emitted for each element.
Actually, electrons from a higher energy level don't jump to a lower one... rather electrons frome a lower level jumps to higher... it needs to return in its original position, and release the energy it absorbed in a form of light.
So that's the phenomenon when electroins move from higher t lower :-)