Curated OER
Changing With the Tide
Students describe three different aspects or life forms of the salt marsh. They compare and contrast the low and high marsh. Students explain what happens in different areas of the marsh at low and high tide; and explain the roles...
Curated OER
Camping Near the Estuary
Students examine the first meeting between the first Spanish settlers and the native groups of the Tijuana estuary. Using a map, they trace various expeditions throughout Goat Canyon and the Spanish migration. After reading text, they...