Research into tagging ocean predators, like lemon sharks, has helped scientists better understand coastal ecosystems. Use this PBS LearningMedia video to show students how tracking sharks has helped scientists understand predators’ unique role in maintaining an environment’s health.
Dive into this fun activity from The Florida Museum to discover the truth about the basic biology of sharks.
The thresher shark is very rare, almost never seen by divers -- until now. Use this PBS LearningMedia video to see how advanced diving technology allows divers to visit a remote reef in the Philippines where thresher sharks show up every morning to be cleaned by small fish.
In this PBS LearningMedia video, divers use a variety of filming techniques in an attempt to discover the secrets of the sand tiger shark gatherings at a North Carolina shipwreck. This resource comes with a companion study guide that teaches how a hypothesis can be tested by experimentation.