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Description
The hands-on activity is teacher created and is aligned with the National
Council of Teachers of Mathematics (NCTM) Standards, the National Science
Education (NSES) Standards, and the International Technology Education Association
(ITEA) Standards for Technological Literacy. Students will make sun
shadow plots by marking ends of shadows made by the Sun and a gnomon (a stick
used to cast shadows). After students have made their sun shadow plot, they
will use it to determine the direction of true north.
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Instructional Objectives
The student will
- gain experience in measuring angles.
- measure, collect, and analyze data in
order to make predictions.
- use the angle bisector method to find true
north.
- use ratios to predict the length of shadows cast by a different
length gnomon.
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