Category Archives: Science 8

25 March Science 8 Welcome to the Anthropocene

Mindful moment–think of something you are truly grateful for. Review plan for the day. Questions. Calendar–when will you conduct your human impact presentation, activity, discussion? * * * * 4 groups selected by “captains” Make plan to share all discussion … Continue reading

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12 March Science 8 Turn in Photosynthesis Summative; Show PST conf document; research Human Impact topic

For the mindful moment see what you know about these “Guardians of the Planet: Women Environmentalists You Should Know” https://www.amightygirl.com/blog?p=11863 What do you think about the student strikes for climate action? Interested? Concerned? Disturbed? https://www.sciencenewsforstudents.org/article/students-climate-strike-march-spur-adults-climate-action Turn in Photosynthesis Summative when … Continue reading

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8 March Science 8 Workday for Photosynthesis summative

Mindful moment. New words–Polysemy and Synonymy (think of examples in everyday talk, in science, in other subjects. How do you decide which terms to use? Work on Photosynthesis summative–see previous blogposts. Work on Parent-Student-Teacher conferences.

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6 March Science 8 Summative project–Photosynthesis; Another piece of historical evidence

Mindful moment. https://www.youtube.com/watch?v=nmFUDkj1Aq0 Review today’s plan–description of Photosynthesis summative project. Questions. A piece of evidence missing from the video documentary: Photosynthesis–Botany: A blooming history— http://bcs.whfreeman.com/webpub/Ektron/Hillis%20Principles%20of%20Life2e/Animated%20Tutorials/pol2e_at_0604_The_Source_of_the_Oxygen_Produced_by_Photosynthesis/pol2e_at_0604_The_Source_of_the_Oxygen_Produced_by_Photosynthesis.html Photosynthesis argument and evidence Display and explain the basic simplified claim showing the role of water and … Continue reading

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4 March Science 8 Chromatography

Mindful moment. Review previous class (what structures were we looking for–in the leaf, in the photosynthetic plant cell? why?) See board. Anticipate Summative project on supporting the claim of photosynthesis. To be described on Wed. Due the following Tuesday by … Continue reading

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28 February Science 8 Stomata; Chloroplasts–Microscopic examination of leaves and other plant parts–plant cells

Mindful moment. Past classes review (DSN–preparing for Parent-Student-Teacher conference–see previous blog) Preview plan for the day in the class blog. Prepare DSN entry. Questions. Share reflections. Examination of plant material under the microscope. The purpose is to examine and contemplate … Continue reading

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26 February Science 8 Julius von Sachs’ experiment–starch production in leaves; Parent Student Teacher conference preparation

Mindful moment. Review past classes. Quickly Read today’s plan in today’s class blog post. Prepare DSN entry. Questions. ***** Gather 4 leaves. 3 that you covered with black paper and 1 more that has been uncovered. Keep track of which … Continue reading

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22 Feb. Science 8 Setting up von Sachs’ experiment on the production of starch by green leaves

Short periods today, so please take your mindful moment this weekend. Finish the documentary Photosynthesis from Botany a Blooming History. Bring your questions to the next class. See link in previous blog. Today we’ll set up a duplication of Julius … Continue reading

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20 February Science 8 Discussing our prior ideas about light; Ingenhousz skits; More on the history of the discovery of photosynthesis

Mindful moment. Review last class. Give your seedlings a little drink. Bring in your Ingenhousz experiment jars. Check Ingenhousz jars with submerged leaves. Can we detect any oxygen? Prepare for discussion of our light ideas and questions. Prepare for skit. … Continue reading

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18 Feb. Science 8 Jan Baptiste von Helmont cartoon; Jan Ingenhousz discovers the importance of light and plants; Can the video experiments be replicated?; A skit; Work on human impact topic

Mindful moment. Review previous class blogpost, DSN. Preview today’s plan. Prepare DSN entry. Questions. ** * * * We are trying to discover how the claim of photosynthesis was discovered and justified. (histphoto) 6 CO2+ 12 H2O–> light –>C6H12O6 + 6 … Continue reading

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