Segment 1: Geometry Basics.
The observatory in Arecibo, Puerto Rico, provides astronomers insights into the structure of our solar system. The solar system relies on the plane known as the eliptic. In studying the Earth's orbit it is important to know that the Earth's axis of rotation is at an angle relative to the eliptic.
< Segment 2: Angles
Himeji castle in Japan is a marvel of architecture and a startling example of Geometry and military science. The castle was used to protect samurai armies from invading forces, and the use of acute, obtuse, and right angles as part of the defence structure provides many opportunities for exploring the nature of geometric angles.
Key concepts: angles, acute angles, obtuse angles, right angles, tangents to circles
Segment 3: Planes
In the Canadian Rockies, the Burgess Shale fossils provide a window to prehistoric Earth. Fossil layers are folded into sedimentary rocks. And sedimentary rocks are examples of parallel planes. This segment uses the properties of planes to analyze fossils.
Key concepts: planes, parallel planes, intersecting planes
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