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    Seaweek is New Zealand’s annual national week about the sea. It is hosted by the New Zealand Association for Environmental Education and includes a wide range of events, activities, competitions and opportunities for action. It usually runs for a week from the end of February – early March.

    With 75% of New Zealanders living within 10 km of the coast, marine science need not be limited to just 1 week, marine contexts can link to many different science concepts. This resource provides a sample of the Hub's marine resources. Use the Topics and Concepts links at the top of a page to find an even wider variety of teaching resources.

    Below is a selection of unit plans and other teacher support materials that we have grouped under possible teaching topics.

    Healthy Seas – Healthy People

    Kaimoana in the Hauraki Gulf

    Iwi and kaimoana

    Monitoring shellfish

    Restoring mauri after the Rena disaster

    Toxins and food webs

    Video: Testing for toxins in kaimoana

    Interactive: Bioaccumulation in the sea

    Student activity: Tracking toxins

    Human impacts on the sea

    Human impacts on the Bay of Plenty

    Human impacts on marine environments

    Ecosystem tipping points and stressors

    Investigating marine and coastal tipping points

    Dynamic Seas

    Video: Farmland run-off into estuaries

    Video: Our role in ocean acidification

    Video: Precision Seafood Harvesting – Changing the Way New Zealand Fishes

    Timeline: Fisheries in New Zealand

    Student activity: Nutrient impact experiment

    Student activity: Fisheries role-play

    Student activity: Modelling marine stressors and tipping points

    Student activity: Identifying marine stressors

    Student activity: Environmental thinking and planning with ecosystem-based management (EBM)

    Citizen science project: Marine Metre Squared

    Habitats and ecosystems

    Marine habitats

    Habitats in the Bay of Plenty

    Life on a reef

    Antarctic marine ecosystem

    Adapting to marine habitats

    Young Ocean Explorers episode topics: harbours, kelp

    Interactive: Marine ecosystem

    Interactive: Home for a crab

    Student activity: Where do I live?

    Student activity: Estuary metaphors

    Sea creatures

    Noisy kina

    Crabs finding home




    Sea stars


    Young Ocean Explorers episode topics: rays, crayfish, orcas, triplefins, Sandager’s wrasse, dolphins, kelp, turtles and sharks

    Sea star adaptations interactives: dorsal view and ventral view

    The ocean’s chemical and physical processes

    Ocean salinity

    Ocean temperature

    Ocean density

    Ocean dissolved gases

    Ocean motion

    Student activity: Floating eggs

    Student activity: Investigating sea water

    Student activity: Water temperature

    The ocean and climate change

    Carbon dioxide in the ocean

    The ocean and the carbon cycle

    Video: Southern Ocean carbon sink

    Timeline: The ocean in action

    Student activity: Ocean acidification and eggshells

    Teacher resource: Teachers learning and planning together

    Ecosystem services


    Video: Revive our Gulf

    Video: Mussels filtering water


    Farming green-lipped mussels – introduction

    Extracting bioactives from mussels

    Investigating the native sea cucumber for export

    Sea sponges and rongoā

    Teacher support materials

    Join our discussion about marine education and Seaweek – register in our online discussion forum on Slack.

    Online professional development

    Are you planning for Seaweek or a marine topic? We have it covered in our recorded professional development webinars:

    Unit plans

    Topic planners: Marine resources – food webs, adaptation, marine habitats, marine biodiversity.

    Education research and classroom experiences

    Adapting SLH activities: providing another context

    Supplementing SLH activities with other artefacts

    Video: They’ll have it now (exploring ocean water salinity and density)

    Literacy links

    Down the drain

    Sea science

    Who’s eating who?

    Testing the waters

    Useful links

    Visit the Seaweek website to find local events, competitions and more.

    Visit one or more of the Hub’s Pinterest boards below for more resources:

      Published 4 February 2016, Updated 18 March 2020 Referencing Hub articles