Difference between revisions of "NCERT - 8 - Science :: Light"
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=Additional Aids= | =Additional Aids= | ||
| − | [Author -Amitesh Patara] | + | [Author - Amitesh Patara] |
| + | https://drive.google.com/open?id=0BzNF2YyqQxJ-STMwMTZHbk1sdzg (answer key) | ||
| − | + | [Author - Deepali Pandey] | |
| + | https://drive.google.com/open?id=0B4m07xnDF8JpLXRhWWVNM09PYk0 (ppt) | ||
=Transliteration= | =Transliteration= | ||
Revision as of 06:07, 9 August 2017
Go To: NCERT-Science-Grade 8
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Anu Nived]
Objective: To teach the students about light, laws of reflection and types of reflections
Subtopics to be covered:
- Laws of reflection
- Types of Reflection
- Kaledioscope
- Parts of our eye and eye care
- Braille system
Learning Outcome:
- Students know what is light, how single and multiple images are formed
- They know how visually challenged persons use Braille system to read and write
- They also know how to care their eyes, diseases affecting eyes, etc.
[Author - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0855-Vigyan/Chapter-16/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0854-Science/Chapter-16/index.html (NCERT English Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-WDJPTjB4QmhmcTQ (JEPC Board) (Hindi Medium)
[Author - Kripa S]
https://www.youtube.com/watch?v=vt-SG7Pn8UU (reflection of light in English)
https://www.youtube.com/watch?v=rCznJTP3cVQ (light and shadows)
https://www.youtube.com/watch?v=Jo1UZgGTtUs (properties of light)
[Author - Anu Nived]
http://images.tutorvista.com/cms/images/95/angle-of-incidence.png (angle of incidence and reflection)
http://aven.amritalearning.com/userfiles/1/image/16_5.jpg (reflection of light)
http://www.vacuumcoating.info/wp-content/uploads/2011/09/RW_Fig1-450x138.png(types of reflection)
http://angelgilding.com/media/wysiwyg/Angles90deg.jpg (multiple images)
https://s-media-cache-ak0.pinimg.com/236x/4b/39/25/4b39250884cd07e52eabdd94ce95f4cc.jpg (Human eye)
http://fontmeme.com/images/Braille-Alphabet-550x466.png (braille system)
[Author - Arshea Bimal]
1. https://www.youtube.com/watch?v=A1Fxa_JI1HQ (what lenses and mirrors do with light)
2. https://www.youtube.com/watch?v=iPUXgOKSUpg (sunlight your home)
3. It is possible to cast multiple shadows of an object at the same time. Try to understand how this can be done and try to create this on your own. Observe the intensity of the shadow in this case. Observe the players in a day-night cricket match.
4. Observe and understand how and why the length of the shadow of a light pole changes during the day.
[Author - Amitesh Patara]
https://drive.google.com/open?id=0BzNF2YyqQxJ-STMwMTZHbk1sdzg (answer key)
[Author - Deepali Pandey]
https://drive.google.com/open?id=0B4m07xnDF8JpLXRhWWVNM09PYk0 (ppt)
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