Always teach children from the beginning that they should stand on the centerline of 'the calendar' of an analemmatic sundial and not on the month like most of the images on this website!
Willy Leenders Hasselt in Flanders (Belgium) Visit my website about the sundials in the province of Limburg (Flanders) with a section 'worth knowing about sundials' (mostly in Dutch): http://www.wijzerweb.be Op 5-nov-2017, om 18:01 heeft Paul Ratto het volgende geschreven: > In message > <CAOKDY5BEuyemogJFtQo7whmUOEJ+NtimX7mgwRJ5MpW1tjAP=w...@mail.gmail.com> > Michael Ossipoff <email9648...@gmail.com> wrote: > >> Show them sundials that can be explained to them. I think that people will >> like something better, enjoy it more, if they know how it works. >> >> As much as I like the Analemmatic Dial, I prefer (at least at first) >> showing people sundials that they'd be willing to listen to an explanation >> of. ...or dials whose explanation is brief. >> >> So, that would rule-out the Analemmatic, and declining flat dials, and >> altitude dials. >> >> The Horizontal Dial, closely derived from the Equatorial Dial, has a brief >> and intuitive explanation. Likewise the South Vertical Dial, the Polar >> Dial, and any north or south Reclining Dial. (They're like Horizontal Dials >> for different latitudes). (They could be summarized as any dial whose >> plate's normal is in the plane of the meridian). >> >> Of course the Equatorial Dials are the most obvious and natural of all, not >> really requiring explanation. (By "Equatorial", I mean any dial that >> directly shows a shadow's or lightspot's movement around the equatorial >> plane by uniformly-spaced marks around a circle in that plane) >> >> My favorite for a south windowsill is the Circumference-Aperture >> Cylinder-Equatorial, but I'd want to include, with it, at least a >> *description* of the geometric demonstration of its principle. (My >> girlfriend doesn't care for geometry or math, but she's going to hear about >> the geometry of a Circumference-Aperture Cylindrical-Equatorial.) >> >> Declining flat dials, altitude dials, the Analemmatic Dial, and the >> Circumference-Aperture Cylinder-Equatorial are good ways of inspiring >> interest in, and demonstrating, some geometry or astronomical mathematics. >> Emphasize to the person, that those subjects are relevant and interesting, >> and useful. >> >> It seems to me that those dials would be especially a good idea for school >> math classes, or for when someone's child is taking such courses. >> >> Michael Ossipoff >> > > > Although I am not aware of Sundial books written SPECIFICALLY for > children, several (mainly Analemmatics due to their 'interactive' > nature) are certainly featured within some School-books - and you > could view examples at website: www.sunclocks.com/data/school.htm > > If you want to interest children in the subject of Sundials - then > I suggest that you visit some Schools and give a 'presentation' to > them - as in the attached photograph, showing Slaven Licina giving > such a talk. You can visit his own website at: www.suncanisat.com > > Regards, > > Paul Ratto. > > >> >> >> On Sun, Nov 5, 2017 at 10:46 AM, Dan-George Uza <cerculdest...@gmail.com> >> wrote: >> >>> Hello, >>> >>> I am looking for titles of sundial books for children. I particularly >>> liked Annos sundial pop-up book by Mitsumasa Anno. Also, I would like to >>> know some of your experiences in working with kids. What do you think is >>> the best approach to teach 10 year olds about sundials? >>> >>> Regards, >>> >>> Dan Uza >>> >>> --------------------------------------------------- >>> https://lists.uni-koeln.de/mailman/listinfo/sundial >>> >>> >>> > > > -- > > <School.jpg>--------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > --------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
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