Lunar Phases and Eclipses

Autor:Steven Blumsack

By moving the "moon" around the earth (upper right), changes in the phases of the moon can be seen. By moving the "Shadow" of the earth towards the moon, various stages in a lunar eclipse can be seen.

Nuevos recursos

Writing and Graphing Proportional Relationships (k>0)
Perpendicular Lines: Quick Exploration
Right Triangle Inscribed in a Semicircle
Squaring a Rectangle (PST Version)
Segment Addition Postulate (Mild Questions)

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geogebra 10
活動一
ML5_2.1
superellipse for bevel
ex 47 area of a triangle

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Media Geométrica
Simetría
Recta Secante o Secante
Media Aritmética
Función lineal