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Students investigate the mark-and-recapture method for estimating the population of an animal species. They evaluate given data to answer a set of questions.
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Sustaining Our Ocean Resources
Lead young scientists on an investigation of fishery practices with the final installment of this four-part unit. Using a PowerPoint presentation and hands-on simulation, this lesson engages children in learning how fish populations are...
3rd - 8th Math CCSS: Adaptable
New Review Birds that Hibernate in Lakes?!
Birds seem to disappear at various times of the year, and many early theories about this phenomenon turned out to be wrong. The video introduces two of these theories as well as how scientists learned the truth. It explains a few...
3 mins 6th - 12th Science CCSS: Adaptable