Complete the Words

Twice a day, the sea along most coasts rises and falls in a pattern called the tide. The Moon's (1)gra____ (2)pu___ on the (3)oc___, so the water on the (4)si__ of Earth that (5)fa___ the Moon (6)ri___ (7)in__ a (8)sli___ bulge, and a (9)sec___ bulge forms on the (10)f__ side. As Earth spins, each coast passes through both bulges, which is why most places see two high tides and two low tides about every 24 hours and 50 minutes. The Sun also pulls on the oceans, and when the Sun and Moon line up, the extra pull produces especially large tides called spring tides.