Columbus City Schools
Totally Tides
Surf's up, big kahunas! How do surfers know when the big waves will appear? They use science! Over the course of five days, dive in to the inner workings of tidal waves and learn to predict sea levels with the moon as your guide.
NOAA
Tides
Low tides, high tides, spring tides, neap tides, diurnal tides, semidiurnal tides, mixed tides ... just how many types of tides are there? The 10th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO)...