DSERT - 7 - Science :: Light
Go To: DSERT-Science-Grade 7
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[Contributor - Premalatha G K]
Dear Volunteer,
Please find below the detailed lesson plan and PPT for this chapter in the language mentioned against the respective link. While the lesson plan will give an overall flow of the lesson, the PPT will include lesson flow as well as the presentations for the class.
https://drive.google.com/open?id=1O_tTxGJD19i1RnoJqImnXUskL5-GF0No (lesson Plan - Kannada)
https://drive.google.com/open?id=12XJRIlyVNB-Q2vDFKuNhrEm_IsfeUUfS (PPT - Kannada)
You may use the content as it is or download and modify them to suit the students requirements.
If you feel any major modifications or additions are carried out by you in the form of adding any new activity, presentations, videos etc. we request you to send the modified version to submitcontent@evidyloka.org for enabling upload the modified version.
The worksheets of the lesson can be accessed from the worksheet tab.
Kindly rate the lesson plan and share your suggestions and comments on the lesson plan in the comments box below. Your valuble suggestions and comments will help us to improve the content.
[Contributor - Rini Jose]
http://www.ktbs.kar.nic.in/New/website%20textbooks/class7/7th-kannada-science-02.pdf#page=84 (Kannada)
http://www.ktbs.kar.nic.in/New/website%20textbooks/class7/7th-english-science-01.pdf#page=188 (English)
[Contributor - Kripa S]
https://www.youtube.com/watch?v=vt-SG7Pn8UU (reflection of light in English)
[Contributor - Anu Nived]
https://www.sciencelearn.org.nz/system/images/images/000/000/046/full/Lake-reflection20150805-30600-1t8rqoj.jpg?1447040426 (reflection of light)
http://maggiesscienceconnection.weebly.com/uploads/5/1/0/5/5105330/__524973087.jpg (convex, plane and concave mirror)
http://www.ekshiksha.org.in/images_light_VII/figure_18.JPG (torch reflector)
https://3.imimg.com/data3/OB/HP/MY-2271920/newton-s-colour-disc-500x500.jpg (newton's color disc)
[Contributor - Premalatha G K]
Lesson Plan version 1.1 images
https://www.google.co.in/search?q=image+of+light+spread+in+all+direction&source=lnms&tbm=isch&sa=X&ved=0ahUKEwje5u7tzZjgAhVDsI8KHV3nCrMQ_AUIDigB&biw=1366&bih=631#imgrc=-BdeP9T0VdEmDM: (light spread in all directions)
https://www.google.co.in/search?q=image+of+shadow+by+fingers&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjEhqyYz5jgAhUNiXAKHeeCBmYQ_AUIDigB&biw=1366&bih=631#imgrc=D4kuNt0kyCw1tM: (Shadow by fingers)
https://www.google.co.in/search?q=image+of+reflection+on+a+smooth+surface&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjUsv7Z0ZjgAhWKvo8KHRg1DY0Q_AUIDigB&biw=1366&bih=631#imgrc=6BA5eRbqxUYDxM: (Reflection on a smooth surfface)
https://www.google.co.in/search?q=image+of+pinhole+camera&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjVoauy1JjgAhWKr48KHQQoAjAQ_AUIDigB&biw=1366&bih=631#imgrc=sJz8rCX1wbOpdM: (Pinhole and camera)
https://www.google.co.in/search?q=image+of+types+of+convex+lens&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjA0_yi1ZjgAhUIvY8KHSPmDtMQ_AUIDigB&biw=1366&bih=631#imgrc=TqmQNqnyncbrqM: (Types of convex lense)
https://www.google.co.in/search?q=diverging+action+of+concave+lens&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjvl9-h1pjgAhWEiXAKHY_2D_MQ_AUIDigB&biw=1366&bih=631#imgdii=cfaLyGEO1a5PnM:&imgrc=18nD2mOk2cOvdM: (Diverging action of concave lens)
https://www.google.co.in/search?q=principal+axis&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiNhej51pjgAhVLuo8KHYXkBDgQ_AUIDigB&biw=1366&bih=631#imgrc=KUHQpe1_I_w2ZM: (Principal and axis)
https://www.google.co.in/search?biw=1366&bih=667&tbm=isch&sa=1&ei=L0RTXMPnKIjavAS_3bGgDw&q=radius+of+curvature+of+covex+lens&oq=radius+of+curvature+of+covex+lens&gs_l=img.3...2053.9588..9869...0.0..1.734.2978.0j14j1j6-1......0....1..gws-wiz-img.......0j0i67j0i5i30j0i8i30.gkwYrJvSVaE#imgrc=hLozSmKxTDuYeM: (Radius of curvature of convex lens)
https://www.google.co.in/search?q=ray+diagram+of+concave+lens&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjTktSg2ZjgAhUMqI8KHWDEDicQ_AUIDygC&biw=1366&bih=631#imgdii=mJPw919GPv0I3M:&imgrc=0j0tBEkw1o9hhM: (ray diagram of concave lens)
https://www.google.co.in/search?q=when+the+object+is+in+the+infinity&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjfgoSt2pjgAhUKinAKHVR4DXIQ_AUIDigB&biw=1366&bih=631#imgrc=8RtHeMOlcRQF0M: (When object is in infinity)
https://www.google.co.in/search?q=image+of+rainbow&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi62tGi25jgAhXainAKHclrDZMQ_AUIDigB&biw=1366&bih=631#imgrc=HVl_VJsOXJKkkM: (Image of rainbow)
[Contributors - Kripa S, Rudrakant S]
1. https://www.youtube.com/watch?v=kXh7vGJastM (Tracing path of light)
2. Take a stainless steel spoon. Bring the outer side of the spoon near your face and look into it. Do you see your image in it? Is this image different from what you see in a plane mirror? Is this image erect? Is the size of the image the same, smaller or larger?
3. https://www.youtube.com/watch?v=TqA_YPZkMBU (rainbow)
4. https://drive.google.com/open?id=0BzNF2YyqQxJ-R2M5SGItdk1FM1E
[Contributor - Rudrakant S]
https://drive.google.com/open?id=0BzNF2YyqQxJ-WUdnZzJ3Tm5TMFE
[Contributor - Navyashree Jogi]
| Term | Transliterated Term | Translated Term |
| Luminous | ಲುಮಿನೌಸ್ | ಸ್ವಯಂ ಪ್ರಕಾಶಿತ |
| Non luminous | ನಾನ್ ಲುಮಿನೌಸ್ | ಸ್ವಯಂ ಪ್ರಕಾಶಿತವಲ್ಲದ |
| Body | ಬಾಡಿ | ಕಾಯ |
| Ray | ರೇ | ಕಿರಣ |
| Light | ಲೈಟ್ | ಬೆಳಕು |
| Beam of light | ಬೀಮ್ ಒಫ್ ಲೈಟ್ | ಕಿರಣದಂಡ |
| Transparent | ಟ್ರಾನ್ಸ್ಪೆರೆಂಟ್ | ಪಾರದರ್ಶಕ |
| Translucent | ಟ್ರಾನ್ಸ್ಲ್ಯೂಸೆಂಟ್ | ಮಿತ ಪಾರದರ್ಶಕ |
| Opaque | ಒಪೆಕ್ಯೂ | ಅಪಾರದರ್ಶಕ |
| Shadow | ಶಾಡೋ | ನೆರಳು |
| Reflection | ರೆಫ್ಲೆಕ್ಷನ್ | ಪ್ರತಿಫಲನ |
| Mirror | ಮಿರರ್ | ದರ್ಪಣ |
| Image | ಇಮೇಜ್ | ಬಿಂಬ |
| infinite | ಇನ್ಫೈನೈಟ್ | ಅನಂತ |
| Refraction | ರೇಫ್ರಾಕ್ಷನ್ | ವಕ್ರೀಭವನ |
| Convex lens | ಕಾನ್ವೆಸ್ ಲೆನ್ಸ್ | ಪೀನ ಮಸೂರ |
| Concave lens | ಕಾನ್ಕೇವ ಲೆನ್ಸ್ | ನಿಮ್ನ ಮಸೂರ |
| Centre of curvature | ಸೆಂಟರ್ ಒಫ್ ಕರ್ವ್ವಚುರ್ | ವಕ್ರತಾ ಕೇಂದ್ರ |
| Principal axis | ಪ್ರಿನ್ಸಿಪಲ್ ಆಕ್ಸಿಸ್ | ಪ್ರಧಾನ ಅಕ್ಷ |
| Optic center | ಆಪ್ಟಿಕ್ ಸೆಂಟರ್ | ದ್ಯುತಿ ಕೇಂದ್ರ |
| Principal focus | ಪ್ರಿನ್ಸಿಪಲ್ ಫೋಕಸ್ | ಪ್ರಧಾನ ನಾಭಿ ಬಿಂದು |
| Focal length | ಫೋಕಲ್ ಲೆಂಥ್ | ನಾಭಿ ದೂರ |
| Radius of curvature | ರೇಡಿಯಸ್ ಒಫ್ ಕರ್ವ್ಚಚುರ್ | ವಕ್ರತಾ ತ್ರಿಜ್ಯ |
| Ray diagram | ರೇ ಡೈಗ್ರಾಮ್ | ರೇಖಾ ಚಿತ್ರ |
[Contributor - Rudrakant S]
https://drive.google.com/open?id=0BzNF2YyqQxJ-QmJsZVpmcllzcGs
[Contributor - Meghana Janardhan]
https://drive.google.com/open?id=1FHy7eWuLe0fCmFriZSWXZ8EIWCjmWmQM (Worksheet 1)
Worksheets [Version 2021]
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5061_v1.pdf (Worksheet 1)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5062_v1.pdf (Worksheet 2)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5063_v1.pdf (Worksheet 3)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5064_v1.pdf (Worksheet 4)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5065_v1.pdf (Worksheet 5)
Answerkeys [Version 2021]
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Worksheets [Version 2021]
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5061_v1.pdf (Worksheet 1)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5062_v1.pdf (Worksheet 2)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5063_v1.pdf (Worksheet 3)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5064_v1.pdf (Worksheet 4)
https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/DSERT/Science/T4322_ST5065_v1.pdf (Worksheet 5)
Answerkeys [Version 2021]
Blank
[Contributor - Aishwarya VH]
https://drive.google.com/open?id=1c0c8ikTBuIV0k9MhNVSX_CAbAWnNrq2G (Question Bank - English)
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