Vocabulary
These question games do not have any instructional material, so any vocabulary words relevant to this topic at large will work!, waning gibbous, waxing gibbous, waning crescent, waxing crescent, first quarter, last (third) quarter, new moon, full moon, autumn, spring, summer, winter, Northern Hemisphere, Southern Hemisphere, equator, solar system, planets, inner planet, gas giants, asteroids, comets, sun, hydrogen, helium, matter, transparent, translucent, opaque, reflection, absorption, energy, wavelength, gamma rays, x rays, Coming Soon!,