<p>Multi-step lesson in which students do the work of scientists who study the endangered North Atlantic right whale. They compare photos to identify an individual whale and use a record of sighting to track this whale’s movements along the eastern seaboard.<br /></p><p>Sourced from Smithsonian Education</p>
<p>Use this collection to compare and contrast the shapes and proportions of different floating structures and the forces at work to inspire your own boat-building challenge. <br><br></p>
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