UIUC Physics Lecture Demo: Shadows on Earth by Sun

UIUC Physics
Lecture Demonstration
Database

Demo # 165

Shadows on Earth by Sun

ID # 165

Description:

A standard globe is put at one end of a table, and then a light approximately 2m away from the globe is shone. The light hits the globe and an object standing between the light source and the globe, like a metal rod (see picture). The shadow of the object is then observed on the globe.

Picture of Shadows on Earth by Sun

Physics Concept:

Astronomy
Planetary Astronomy
Solar system Mechanics

The demonstration takes about 1 minute to perform.