DSERT - 7 - Science :: Light

Go To: DSERT-Science-Grade 7

[edit]

• Lesson Plan
• Textbook
• Videos
• Images
• Activities
• Additional Aids
• Transliteration
• Worksheets
• Assessments

[Contributor - Anu Nived]

Objective: To teach the students about light and how it travels

Subtopics to be covered:

- Reflection of light

- Refraction of light

- Concave and Convex lens

- How rainbow is formed

Learning Outcome:

- Students know that various sources of light and propagation of light

- They know about luminous and non luminuous bodies

- They know about the practical applications of convex and concave lens

[Contributor - Kripa S]

http://ktbs.kar.nic.in/new/website%20textbooks/class7/7th-kannada-science-02.pdf#page=75 (Kannada Medium)

http://ktbs.kar.nic.in/new/website%20textbooks/class7/7th-english-science-02.pdf#page=75 (English Medium)

[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)

[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

0.00

(0 votes)

Sort by date Sort by score

Enable comment auto-refresher

Add your comment

evidyaloka welcomes all comments. If you do not want to be anonymous, register or log in. It is free.