Students use a folded paper plate to mark the angles of shadows …
Students use a folded paper plate to mark the angles of shadows on a sunny day. They will measure the angle at several times during the day. The process can be repeated each month to gather more data and reinforce concepts.
Students will use a paper plate and a football field to address …
Students will use a paper plate and a football field to address a common misconception about the motion of the moon - that the moon "loops" around the earth - when in fact the path of the moon is always concave to the sun. At a distance of 100 yards - goal line to goal line - the plate is about the radius of the moon's orbit, and the width of the field represents about 30 degrees or 1 month. In an extension activity, students can investigate barycenter.
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