Making the Invisible Visible with Pond Life

Resource for Grades 5-8
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Making the Invisible Visible with Pond Life

Media Type:
Video

Running Time: 7m 03s
Size: 21.0 MB

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Source: WGBH Educational Foundation.


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WGBH Educational Foundation

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WGBH Educational Foundation

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In this video segment from Teaching Middle School Life Science, master teacher and education specialist Sally Crissman uses a range of instruments to introduce single-celled pond organisms to a small group of middle school students. Crissman explains that by viewing organisms that are practically invisible with instruments that extend our vision—including hand lenses, microscopes, and video—students learn more about what’s living in water. Often, these are living things we don’t know are there. Crissman uses a poster and then video to help students learn to identify two organisms in particular, paramecia and amoebae.
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open Discussion Questions

You may find it useful to watch this video with a group of your colleagues and then discuss it together.
  • How does Crissman use each type of tool to help these students see single-celled pond organisms?
  • What specific types of information do these students gain from each of these experiences?
  • How would you explain why Crissman uses these tools in this particular order?
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