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Cape Farewell
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Measuring the Oceans
This Cape Farewell video clip explains that scientists use satellite images and optical measurements to detect phytoplankton in the oceans and that they use various methods to capture their samples. Scientists are shown looking at some of the plankton samples they have captured.
Activity E - Collecting and checking is based on the video clip. Activity F - Plankton blooms is an extended investigation using chlorella – a type of algae. The density of the algae can be measured using a home-made Secchi disc (a small version of what is shown on the video). The presentation Colours can be used to explain how the Secchi disc works.
Notes on the activities and their use, with the video clip in lessons, are given in the Teachers’ Guidance.
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Activity E 158.74 KB
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Activity F - Plankton blooms 182.34 KB
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Secchi disc and colour 131.5 KB
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Activity E 158.74 KB -
Activity F - Plankton blooms 182.34 KB
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Secchi disc and colour 131.5 KB
Download all files as a .zip387.03 KB
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