Students search for camouflaged objects and relate their experience to bird survival in an estuary. Dangerous Journeys Students assume the roles of ducks, wind storm, predators, and hunters to examine migration hazards. Migrating Down the Flyway Students examine factors which limit or favor migration survival, measure migration distance on a map, then calculate migration duration. Food Webs 1. Stuffed-crab plans included.
Students use size, shape, texture, color and weight to sort and classify shells.
This reading, with crossword puzzle review, introduces clam biology, harvesting and marketing. This puzzle describes the reasons for rules such as filling in the holes made by clam diggers, and leaving oyster shells at the beach. Students use math skills to explore geoduck growth, population size, and rate and impact of harvesting. Insides Out Students construct, label, and explore relationships between parts of a three dimensional paper model of a clam. Open Sesame Steamed clams, from the beach or supermarket, give students an opportunity to match actual structures with models and drawings presented in preceding lessons.