Question
Write the differences between primary and secondary tide.
Answer
Primary Tide | Secondary Tide |
---|---|
Caused by the gravitational pull of the Moon (mainly) and the Sun | Caused by the centrifugal force of the Earth-Moon system |
Results in a larger rise in water level (high tide) than secondary tide | Results in a smaller rise in water level (high tide) than primary tide |
Occurs on the side of the Earth facing the Moon | Occurs on the side of the Earth opposite the Moon (antipode) |