Curated OER
The Tides of Change Worksheet (Part 2)
In this tides worksheet, young scholars visit specified websites to view information. They explore the mass of the sun and moon, the force of gravity between two objects, and the ratio of the distances from the earth to the sun. Students...
NASA
Science at Nasa: Ocean Tides Lost and Found
This article explains what forces are at work on changing the tides of our oceans.
Museum of Science
Museum of Science, Boston: Ebbs and Flows of the Sea
A simple one-page explanation of oceanic tides. Includes instructions for completing a tide-mapping activity.