continuing. 1  intransitive verb. 2  1 : to maintain without interruption a condition, course, or action The boat continued downstream. 3  2 : to remain in existence : endure The tradition continues to this day. 4  3 : to remain in a place or condition : stay We cannot continue here much longer.
If an object absorbs light of most visible frequencies (absorbs because the light's frequency matches electron's frequency), and reflects red, for example, the object appears red. (reflect because red falls below or above the electron's natural frequencies).
When metal salts are ignited, they release energy in the form of light. Shorter wavelengths of light (400 to 500 nanometers) produce violet and blue colors while longer wavelengths of light (600 to 700 nanometers) produce orange and red colors.