Shadows © Siemens Stiftung 2018 CC BY-SA 4.0 international

Shadows

Image

Graphic:
Casting shadows of a bottle that is illuminated by a lamp.

English, German, Spanish
Image (63.8 kByte)
2018-04-22
A shadow is created when light is blocked from propagating due to an object (based here on the example of a bottle). Since light propagates in a straight line, it cannot curve around the object, but is blocked by the object. The area behind the object cannot be illuminated; it is dark. As a result, this area stands out clearly from the brightly lit surroundings, and we see a shadow.
Example
Personal, social and health education (PSHE)
Grade 1 to 4
Elementary school
Light; Optics
Siemens Stiftung Media Portal
MediaHouse GmbH
© Siemens Stiftung 2018
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