Make a 3-D Viewer
You will need: Card, pencil, ruler, scissors or razor blade.
Without expense, you can make a stereoscopic viewer which
will let your eyes play tricks with your vision.
With
the aid of pencil and ruler draw a simple cross in the middle of a piece of
thin cardboard. The legs of the cross should be about 2 inches long by half an
inch wide. Cut the cross away, leaving the card intact.
When
the cross has been removed, place the card at right-angles in a vertical
position in front of a picture or photograph.
Look
down through the cross at the picture (photographs of buildings give good
results) and after a few seconds the picture will appear to stand out in three
dimensions. It helps if you expect to see a three-dimensional view, as we so
often see just what we expect.
Children learn best through doing
Before children can
understand a thing, they need experience: seeing, touching, hearing, tasting,
smelling; choosing, arranging, putting things together, taking things apart.
Experimenting with real things.
Old-time school teaching
used only words and the teachers thought children knew something if they could
repeat it. Now we know better. To reach practical understanding we do not need
to use many words with young children.
Children are
clever. They learn a lot, without being taught. The greatest skill - to be able
to talk, to communicate is learnt outside school. In the classroom it's the
children who need to talk the most. Unfortunately it is the teacher who does
most of the talking!
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