The components making up the elements are Water, Air, Fire, and Earth. The twelve signs of the zodiac are grouped based on components: The Water group consists of Pisces, Cancer, and Scorpio. The air group consists of Aquarius, Gemini, and Libra; The Fire group consists of Leo, Aries, and Sagittarius; The Earth group consists of is Capricorn, Virgo, and Taurus.