RAINBOW:rainbow noun (ARC DE SANT MARTÍ)
/ˈreɪn.bəʊ/ /-boʊ/ n [C]
an arch (= curved shape) of different colours seen in the sky when rain is falling and the sun is shining

SHINE: verb (LIGHT) (BRILLAR)
/ʃaɪn/ v (shone or shined, shone or shined)

SUNLIGHT:noun (LLUM SOLAR)
/ˈsʌn.laɪt/ n [U]
the light that comes from the sun

RAINDROPS:noun (GOTES DE PLUJA)
/ˈreɪn.drɒp/ /-drɑːp/ n [C]
a single drop of rain

SPECTRUM:noun (COLOURS)
/ˈspek.trəm/ n [C] (plural spectra or spectrums)
the set of colours into which a beam of light can be separated, or a range of waves, such as light waves or radio waves

INDIGO:adjective noun
/ˈɪn.dɪ.gəʊ/ /-goʊ/ adj n [C or U]
(having) a bluish purple colour

CREATE:verb (MAKE) (CREAR)
/kriˈeɪt/ v
[T] to make something new, especially to invent something

http://www.youtube.com/watch?v=pubzgRKvSn0