Astronomy Pop Quiz

1.-7. List the colors of the visible light spectrum in order from longest wavelength to shortest wavelength.

8. Identify the massless particles that make up a stream of electromagnetic radiation.

9. Identify the phenomena in which the frequency of waves decreases as the distance between the wave source and observation point increases.

10. Identify the phenomena in which the frequency of waves increases as the distance between the wave source and observation point decreases.