Light Frequency and Energy Crossword Puzzle

QUESTIONS LIST: spectrum : in physics, the intensity of light as it varies with wavelengths, photon : smallest unit of light energy, orbit : a regular path that an electron takes around, electron : a small particle with a negative charge that is found in all atoms, red : has the lowest energy among visible light, violet : has the highest energy among the visible light, frequency : the number of occurrences per second, atom : the basic unit of an element