Tides Video
High tides are higher than usual Low tides are higher than usual. SPRING TIDES Occur when : High tides are higher than usual Low tides are higher than usual. They occur twice a day Occur at a New Moon and Full Moon (At a horizontal line)
Spring tide (Horizontal line)
Spring tide (Sun on the right)
Spring tide
High tides are lower than usual Low tides are higher than usual NEAP TIDES Occur when: High tides are lower than usual Low tides are higher than usual They occur twice a day They occur at a 1st Quarter and Third Quarter (at 90 degree angles)
They alternate every 6 hours Most know for exam In one day we have: Two high tides and Two low tides They alternate every 6 hours
Low tides and High tides
Effect on the tides Spring tides: Strong effect on tides (New and Full) Neap Tides: Medium effect on tides (1st and 3rd quarter) Low effect: Wax Crescent Wax Gibbous Wan Crescent Wan Gibbous
Interactive