Uranus and Neptune are made primarily of hydrogen compounds, with smaller traces of hydrogen, helium, metal and rock. The most common hydrogen compounds are methane (CH4), ammonia (NH3), and water (H2O). The farther away a planet is from the Sun, the cooler its atmosphere will be.
Musical.ly is a popular app for creating 15-second music videos. How it works is kids select snippets of popular songs and record themselves singing, lip-syncing or dancing. Some kids skip the music and perform 15-second comedy skits.
Definition of musical for Students. 1  1 : having to do with music or the writing or performing of music musical instruments. 2  2 : pleasing like music a musical voice. 3  3 : fond of or talented in music a musical family. 4  4 : set to music a musical play.