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Category: Observation

Constructive Comments Jun 2022

  • khoitsma
  • General, Observation, Personal
  • 0 Comments

Personal opinions on residential construction


craftsman home

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Poetry May 2022

  • khoitsma
  • Observation, Personal, Poetry
  • 0 Comments

Posted in memory of Freda Laura Ozio [6th grade teacher at Groves Elementary, 1961]. She often read poetry to us after lunch. Surprising what one can learn when left to the whim of the teacher.
https://ancestors.familysearch.org/en/LRN7-35V/freda-laura-hays-1917-2007

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What I learned at the planetarium (and after) Mar 2022

  • khoitsma
  • General, Observation, Science
  • 0 Comments

relative size of planets
To build a scale model of the solar system outdoors:
· Use a basketball for the sun (9.5″ diameter)
· 86′ away from the sun is the earth at ~1/11 inch diameter …

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My Observations Jul 2021

  • khoitsma
  • Kids (middle school and up), Observation, Personal
  • 0 Comments

Noticed in passing

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Mathematics Books — a Few of the Very Best Jul 2021

  • khoitsma
  • Calculus, Kids (middle school and up), Mathematics, Observation
  • 0 Comments

Mathematics – a few of my favorite books.

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