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Light Shadows and reflections (view source)
Revision as of 11:24, 4 December 2023
, 11:24, 4 December 2023→Resources:
=== Resources: ===
=== Resources: ===
Video, PDF file, Simulation, worksheet'''Introduction:'''
Video, PDF file, Simulation, worksheet
==== '''Introduction:''' ====
Begin class by asking students what are the things that they see in their surrounding, and how do they think they get to see those things? Can you see those things at night as well? Can you see those things when the lights were switched off?
Begin class by asking students what are the things that they see in their surrounding, and how do they think they get to see those things? Can you see those things at night as well? Can you see those things when the lights were switched off?
Discuss and introduce luminous and non-luminous substances.
Discuss and introduce luminous and non-luminous substances.
'''Group activity:'''
==== '''Group activity:''' ====
Divide children into 3 groups. Each group will have the following objects/materials: A torch, transparent plastic sheet, cardboard sheet, glass, plastic glass, wooden piece, pencil, notebook, piece of cloth, water bottle.
Divide children into 3 groups. Each group will have the following objects/materials: A torch, transparent plastic sheet, cardboard sheet, glass, plastic glass, wooden piece, pencil, notebook, piece of cloth, water bottle.
Encourage children to give examples from their surroundings to each of the categories and reason for the same.
Encourage children to give examples from their surroundings to each of the categories and reason for the same.
'''Story reading:'''
==== '''Story reading:''' ====
Read a story, ‘Shh! enadu’ and discuss the following questions with students:
Read a story, ‘Shh! enadu’ and discuss the following questions with students:
Let children ask some of their questions related to shadow formation, encourage other students to think about answering to those questions, thus encouraging peer-peer interaction with sufficient guidance from facilitator.
Let children ask some of their questions related to shadow formation, encourage other students to think about answering to those questions, thus encouraging peer-peer interaction with sufficient guidance from facilitator.
'''Pin-hole camera making:'''
==== '''Pin-hole camera making:''' ====
Let children make a model of pin-hole camera by referring to <nowiki>https://www.youtube.com/watch?v=mBPLL01mNjA</nowiki>,
Let children make a model of pin-hole camera by referring to <nowiki>https://www.youtube.com/watch?v=mBPLL01mNjA</nowiki>,
https://www.arvindguptatoys.com/toys/Pinholecamera.html.
https://www.arvindguptatoys.com/toys/Pinholecamera.html.
'''Discuss the following questions with children.'''
==== '''Discuss the following questions with children.''' ====
* Why is the image seen in pinhole camera is inverted?
* Why is the image seen in pinhole camera is inverted?