Paper Plate Education
"Serving the Universe on a Paper
Activity: Portable Sundial
Instructions for making simple sundial.
* cut out the sundial tihJes c i rc le
* glue on to the center of a paper plate
* poke a pencil through the middle of the plate
* place the plate in a sunny place in the yard and line up the shadow of the top
of the pencil with the time
you currently" show. For example; if it is now 9:00 AM
line up the pencil shadow on the 9:00 line on the paper plate clock.
Throughout the day, you will be able to tell time by watching
the shadow of the pencil as it moves along the paper plate. People once used sun
clocks like this. The sun helped them measure time.
Sample plate with markings
by Dave DeRemer.
variations on sundial activities, see Eye on the Sky's "Sundials:
Observing and Using Shadows." Within this website, see Portable
Sundial II, Portable Sundial III,
and Portable Sundial IV.