{"id":22,"date":"2019-03-12T23:10:31","date_gmt":"2019-03-12T23:10:31","guid":{"rendered":"http:\/\/www.forsea.org\/fstoc3\/"},"modified":"2020-12-01T18:50:23","modified_gmt":"2020-12-01T18:50:23","slug":"fstoc3","status":"publish","type":"page","link":"http:\/\/www.forsea.org\/fstoc3\/","title":{"rendered":"FOR SEA Life in the Estuary \u2013 Grade 3"},"content":{"rendered":"\n\n\n
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Life in the Estuary – Grade 3<\/a><\/h1>\n

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Table of Contents<\/a><\/font><\/u><\/h2>\n

Click on a lesson title to view the complete lesson as a pdf.<\/b><\/p>\n

Want to customize the lesson? Click on the “” icon that follows the
lesson overview to download the lesson as an editable Word document<\/i><\/p>\n

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Introduction<\/a><\/b><\/p>\n

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Conceptual Scheme<\/a><\/b><\/p>\n

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Marine Aquaria<\/a><\/b><\/p>\n

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Bibliography<\/a><\/b><\/p>\n

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Successful Fieldtripping<\/a><\/b><\/p>\n

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Unit 1: Estuaries<\/u><\/b><\/font><\/p>\n

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   1. Where Rivers Meet the Sea<\/a><\/b><\/font><\/dt>\n
Students make a physical model of fresh and salt water layering in an estuary.
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   2. Waterborne<\/a><\/b><\/font><\/dt>\n
A student reading with embedded questions about buoyancy of ships in different waters (e.g., fresh, salt, warm, cold).
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   3. Plimsoll Floats<\/a><\/b><\/font><\/dt>\n
Students shape boats of modeling clay and test their boats’ abilities to carry a load in fresh water and in salt water.
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   4. The Great Boat Float<\/a><\/b><\/font><\/dt>\n
A take home activity in which family members shape boats from aluminium foil and test buoyancy in fresh and salt water.
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   5. Tide’s In\/Tide’s Out<\/a><\/b><\/font><\/dt>\n
Students make a paper model which includes a graph of tide heights vs. time of day.
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   6. Time and Tides<\/a><\/b><\/font><\/dt>\n
Students learn to read a tide table and to describe tidal differences using a 24 hour clock.
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Unit 2: Plants and Crabs<\/u><\/b><\/font><\/p>\n

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   1. Whose Home?<\/a><\/b><\/font><\/dt>\n
Each student takes on a role (i.e., moon, water, eelgrass, crab…) enacting movements and behaviors representing the rise and fall of the tides.
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   2. In the Eelgrass Bed<\/a><\/b><\/font><\/dt>\n
Students working in groups explore the eelgrass food web using a picture sheet, animal fact cards, and a reading with embedded questions.
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   3. What Grows There?<\/a><\/b><\/font><\/dt>\n
Some plants can tolerate salt water. Students experiment by irrigating seedlings, some with fresh water, some with salty.
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   4. Crab City<\/a><\/b><\/font><\/dt>\n
This reading provides a look at how humans make a living along our coasts and how marine animals are adapted to their environments.
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   5. Crabs<\/a><\/b><\/font><\/dt>\n
This activity reviews material introduced in “Crab City” by providing a crab diagram for labeling, and questions about the diagram.
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   6. What a Story!<\/a><\/b><\/font><\/dt>\n
Students order the mixed-up events in a story which follows the life of crabs from egg to our dinner table.
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   7. Scrambled Crab<\/a><\/b><\/font><\/dt>\n
Students unscramble the mixed-up letters of crab terms, using the definitions of the terms as clues.
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   8. Observing the Living Crab<\/a><\/b><\/font><\/dt>\n
Students observe crabs swimming, walking, digging, hunting, and eating.
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Unit 3: Shrimp<\/u><\/b><\/font><\/p>\n

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   1. Shrimp – No Small Wonder<\/a><\/b><\/font><\/dt>\n
This reading focuses on shrimp anatomy and life cycle while continuing a look at how humans make a living along our coasts. Students make calculations regarding costs of shrimping.
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   2. Only Half The Story<\/a><\/b><\/font><\/dt>\n
\tStudents choose words about shrimp biology and fishing from a list to fill in blanks in a story.
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   3. The Shrimp Boats Are A-Coming<\/a><\/b><\/font><\/dt>\n
Commercial shrimping provides livelihoods for many people. Students practice solving word problems, including challenge problems involving calculating averages and percents.
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   4. How Hot Is Too Hot?<\/a><\/b><\/font><\/dt>\n
Students experiment to see how varying an environmental factor (temperature) affects hatching rate for brine shrimp eggs.
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   5. Observing Brine Shrimp<\/a><\/b><\/font><\/dt>\n
Students use hand lenses and\/or microscopes to observe compound eyes, gills, swimming behavior, response to light, and more.
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Unit 4: Birds<\/u><\/b><\/font><\/p>\n

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   1. Who Flies There?<\/a><\/b><\/font><\/dt>\n
Students sort bird pictures into groups with common characteristics to gain an appreciation of diversity.
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   2. An Assortment of Beaks<\/a><\/b><\/font><\/dt>\n
Students, equipped with one of four “beaks” (spoon, scissor, clothespin, or tweezer), take on the role of foraging birds and gather “food” types.
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   3. Beaks and Feet<\/a><\/b><\/font><\/dt>\n
Students match a set of beak and feet cards, representing a variety of estuarine birds, with different food types and feeding areas.
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   4. Who’s Hiding There?<\/a><\/b><\/font><\/dt>\n
Students search for camouflaged objects and relate their experience to bird survival in an estuary.
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   5. Dangerous Journeys<\/a><\/b><\/font><\/dt>\n
Students assume the roles of ducks, wind storm, predators, and hunters to examine migration hazards.
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   6. Migrating Down the Flyway<\/a><\/b><\/font><\/dt>\n
Students examine factors which limit or favor migration survival, measure migration distance on a map, then calculate migration duration.
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Unit 5: Food Webs<\/u><\/b><\/font><\/p>\n

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   1. Who’s For Dinner?<\/a><\/b><\/font><\/dt>\n
Students play a card game in which each card represents an organism, and can only be “taken” by a card of the next food web level.
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   2. Pyramids in the Marsh<\/a><\/b><\/font><\/dt>\n
Students calculate grams of food needed by each member of a marsh food chain\/pyramid.
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   3. Construct an Estuary<\/a><\/b><\/font><\/dt>\n
Students review adaptations and interactions by constructing a habitat model. Stuffed-crab plans included.
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Unit 6: Clams<\/u><\/b><\/font><\/p>\n

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   1. Shell Sort<\/a><\/b><\/font><\/dt>\n
\tStudents use size, shape, texture, color and weight to sort and classify shells. A student-made balance (ruler on an eraser) helps gauge weight.
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   2. More Than a Few Clams<\/a><\/b><\/font><\/dt>\n
This reading, with crossword puzzle review, introduces clam biology, harvesting and marketing.
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   3. Regulating the Harvest<\/a><\/b><\/font><\/dt>\n
This puzzle describes the reasons for rules such as filling in the holes made by clam diggers, and leaving oyster shells at the beach.
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   4. Gooey Ducks?<\/a><\/b><\/font><\/dt>\n
\tStudents use math skills to explore geoduck growth, population size, and rate and impact of harvesting.
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   5. Insides Out<\/a><\/b><\/font><\/dt>\n
Students construct, label, and explore relationships between parts of a three dimensional paper model of a clam.
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   6. Open Sesame<\/a><\/b><\/font><\/dt>\n
Steamed clams, from the beach or supermarket, give students an opportunity to match actual structures with models and drawings presented in preceding lessons.
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   7. Write All About It! A Creative Clam Story<\/a><\/b><\/font><\/dt>\n
\tStudents practice creative writing skills as they synthesize a clam story. The stage is set by showing a picture of a clam and its predator.
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Unit 7: Oysters<\/u><\/b><\/font><\/p>\n

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   1. Oysters on the Half Shell<\/a><\/b><\/font><\/dt>\n
Students are full of insightful questions after being challenged to find a particular half shell, and then its mate, in a pile of oyster shells.
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   2. Folding Oysters<\/a><\/b><\/font><\/dt>\n
Students put together oyster finger puppets while learning about oyster anatomy and physiology.
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   3. The Oyster Story<\/a><\/b><\/font><\/dt>\n
A student reading with embedded questions about oyster aquaculture, harvesting and marketing provides a logical follow-up to “Oysters on the Half Shell”.
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   4. Red Tides<\/a><\/b><\/font><\/dt>\n
Students learn what Red Tide is and isn’t, and how to avoid poisoning.
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   5. Shellfish at Risk<\/a><\/b><\/font><\/dt>\n
Students play a board game matching contamination SOURCES, the PROBLEMS these lead to, and the SOLUTIONS people can employ.
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   6. Red Sea Star Cafe<\/a><\/b><\/font><\/dt>\n
In this participatory simulation, students work as teams to “open” and “operate” a seafood restaurant.
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Unit 8: People and Estuaries<\/u><\/b><\/font><\/p>\n

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   1. Where Have All the Salt Marshes Gone?<\/a><\/b><\/font><\/dt>\n
Students role play salt-marsh species faced with a shrinking habitat.
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   2. National Estuaries of Significance<\/a><\/b><\/font><\/dt>\n
Students create metaphors denoting the features of estuaries, and use clues, such as salt or fresh water sources, to locate reserves on a map.
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Production Credits<\/a><\/b><\/font><\/dt>\n
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Below, you\u2019ll find helpful resources for use with the above activities.<\/i><\/p>\n

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Unit 1: Estuaries<\/b><\/font><\/dt>\n

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Activity 1 Where Rivers Meet the Sea <\/b><\/dt>\n
\tEstuary \u2013 a link to the sea<\/a><\/i><\/dd>\n
\tEstuary environments<\/a><\/i><\/dd>\n
\tEstuaries \u2013 a description<\/a><\/i><\/dd>\n

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Activity 2 Waterborne<\/b><\/dt>\n
\tRoot words<\/a><\/i><\/dd>\n

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Activity 5 Tide’s In\/Tide’s Out<\/b><\/dt>\n
\tTidal chart activity<\/a><\/i><\/dd>\n

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Unit 2: Plants and Crabs<\/b><\/font><\/dt>\n

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Activity 2 In the Eelgrass Bed<\/b><\/dt>\n
\tEelgrass bed slide show<\/a><\/i><\/dd>\n
\tEelgrass bed slide show narrative<\/a><\/i><\/dd>\n

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Activity 4 Crab City<\/b><\/dt>\n
\tBlue crab image<\/a><\/i><\/dd>\n

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Unit 3: Shrimp<\/b><\/font><\/dt>\n

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Activity 3 The Shrimp Boats Are A-Coming<\/b><\/dt>\n
\tShrimp boat image<\/a><\/i><\/dd>\n

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Activity 4 How Hot Is Too Hot?<\/b><\/dt>\n
\tA brine shrimp primer<\/a><\/i><\/dd>\n

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Unit 4: Birds<\/b><\/font><\/dt>\n

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Activity 4 Who\u2019s Hiding There?<\/b><\/dt>\n
\tShorebird outline masters<\/a><\/i><\/dd>\n

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Unit 5: Food Webs<\/b><\/font><\/dt>\n

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Activity 1 Who\u2019s For Dinner?<\/b><\/dt>\n
\tFood chain cards 1<\/a><\/i><\/dd>\n
\tFood chain cards 2<\/a><\/i><\/dd>\n
\tHow to find marine information<\/a><\/i><\/dd>\n

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Unit 6: Clams<\/b><\/font><\/dt>\n

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Activity 2 More Than a Few Clams<\/b><\/dt>\n
\tThe clam business<\/a><\/i><\/dd>\n

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Activity 4 Gooey Ducks?<\/b><\/dt>\n
\tNative American geoduck clam harvesting image<\/a><\/i><\/dd>\n
\tDiver suiting up image<\/a><\/i><\/dd>\n
\tTurn of the century clam collecting image<\/a><\/i><\/dd>\n
\tGeoduck clams ready to ship to market image<\/a><\/i><\/dd>\n
\tGeoduck dive boats<\/a><\/i><\/dd>\n
\tGeoduck clam image<\/a><\/i><\/dd>\n

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Activity 7 Write All About It! A Creative Clam Story<\/b><\/dt>\n
\tThe Clam Caper mystery<\/a><\/i><\/dd>\n

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Unit 7: <\/b><\/font><\/dt>\n

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Activity 3 The Oyster Story<\/b><\/dt>\n
\tNative American oyster harvesting<\/a><\/i><\/dd>\n
\tWorking on the water<\/a><\/i><\/dd>\n
\tOyster recovery<\/a><\/i><\/dd>\n
\tOyster hatchery<\/a><\/i><\/dd>\n
\tAn oyster disease story<\/a><\/i><\/dd>\n

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Activity 4 Red Tides<\/b><\/dt>\n
\tKiller dinoflagellate fact sheet<\/a><\/i><\/dd>\n
\tToxic red tides \u2013 why now?<\/a><\/i><\/dd>\n
\tTracing a toxic tide<\/a><\/i><\/dd>\n
\tReef fish<\/a><\/i><\/dd>\n

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Activity 6 Red Sea Star Cafe<\/b><\/dt>\n
\tRed Sea Star slide show<\/a><\/i><\/dd>\n
\tRed Sea Star slide show narrative<\/a><\/i><\/dd>\n

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Unit 8: People and Estuaries<\/b><\/font><\/dt>\n

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Activity 2 National Estuaries of Significance<\/b><\/dt>\n
\tChesapeake Bay \u2013 a model estuary guidebook<\/a><\/i><\/dd>\n

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\tChesapeake Bay Ecosystem<\/a><\/i><\/dd>\n
\tGeology Of The Chesapeake<\/a><\/i><\/dd>\n
\tWater & Sediments<\/a><\/i><\/dd>\n
\tHabitats<\/a><\/i><\/dd>\n
\tLiving Resources & Biological Communities<\/a><\/i><\/dd>\n
\tFood Production & Consumption<\/a><\/i><\/dd>\n
\tPreserving Chesapeake Bay: The Big Picture<\/a><\/i><\/dd>\n

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