Curated OER
The Tides-Ups and Downs
Students investigate tidal patters and the forces that cause the tides. In this tidal lesson plan, students explore and research the tides and complete 43 questions about the causes of the tides, how they are monitored and measured and...
Curated OER
Ups and Downs
Students examine tidal currents. In this tides instructional activity students describe how the tides affect lives and explain why it is important to monitor them.
NOAA
Noaa: Our Restless Tides
This site provides an excellent explanation of the nature of tides and how they are formed. The one shortcoming is the use of the fictional "centrifugal force", but this is commonly misused in literature.