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7th-Tides
Term | Definition |
---|---|
Tides | daily changes in the level of the ocean water |
tidal force | the difference in gravitational force between the sun, moon, and Earth |
high tide | the water level is higher than average sea level |
low tide | the water level is lower than average sea level |
tidal range | the difference between levels of ocean water at high tide and low tide |
spring tides | tides with the largest tidal range, occur when the sun, moon and Earth form a straight line |
neap tides | tides with the smallest daily tidal range, occur when the sun, Earth and moon form a 90 degree angle |