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LET THERE BE LIGHT!
Fix a small mirror on a windowsill so that light from the sun is reflected on a large sheet of graph paper on the wall inside. If the sun does not shine directly through the window, a mirror can be attached to a tree or some other fixed object to reflect it inside. Or, maybe you have more than one window in your house or in your classroom.
mark the location of the reflected sunlight on the
DUH remember not to look directly at the sun. Not ever. DUH
Here's a pretty swell sundial:
Use a protractor to make a half-circle on a 10 inch square of cardboard. Divide the circle into twelve 15 degree angles and number them. Determine the latitude of your school.
Some latitudes are given below:
Minnesota 45 degrees
Get a piece
of stiff cardboard, and cut a triangle that is
cast will indicate the time of day in your
top of the shadow every hour for many days and
At a public
park, I once saw a sundial with a place marked
Cut a round cardboard carton in half lengthwise. Glue a bead to a length of thread. Fasten the thread through the centers of the carton's ends.
instrument on a level windowsill or outdoors in
Would this information invalidate the time-of-day sundial?
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