Difference between revisions of "TNSB - 8 - Science :: Light and Sound"
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=Lesson Plan= | =Lesson Plan= | ||
| − | + | [Contributor - Gayathri Arun Kumar] | |
| − | |||
| + | 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=1yKbcWz59dEtfvAp1S67kM8w6llRkp59e''' (Lesson Plan - English) | ||
| + | |||
| + | |||
| + | '''https://drive.google.com/open?id=1RDZ5bAOpHVW-g8IjXvXCo0TlVwyXYkrW''' (PPT - Tamil) | ||
| + | |||
| + | |||
| + | 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. | ||
| + | |||
| + | |||
| + | |||
| + | |||
| + | =Textbook= | ||
| + | |||
| + | [Contributor - Rini Jose] | ||
| + | |||
| + | https://drive.google.com/open?id=1ahpMT8iEmrWH-zAGyAZLPNgZztRcm1rG (English) | ||
| + | |||
| + | https://drive.google.com/open?id=1_ODuZOYkGio7fka7vAXQ-OOUPQL_vEmp (Tamil) | ||
=Videos= | =Videos= | ||
| + | |||
| + | [Contributor - Gayathri Arun Kumar] | ||
| + | |||
| + | Lesson Plan version 1.1 videos | ||
| + | |||
| + | https://www.youtube.com/watch?v=dwxaq4c9K6k (Reflection of light) | ||
| + | |||
| + | https://www.youtube.com/watch?v=s8ur3rbYfx8 (laws of reflection) | ||
| + | |||
| + | https://www.youtube.com/watch?v=ETF2-Zz3J18 (reflection of light - activitiy). | ||
| + | |||
| + | https://www.youtube.com/watch?v=a1kFMSpvesU (regular , irregular reflection) | ||
| + | |||
| + | https://www.youtube.com/watch?v=rHtootmmIg8 (Multiple reflection , multiple images) | ||
| + | |||
| + | https://www.youtube.com/watch?v=jQDRNb-E-cY (Refraction) | ||
| + | |||
| + | https://www.youtube.com/watch?v=phncGyF1Mog (Everyday effects of refraction) | ||
| + | |||
| + | https://www.youtube.com/watch?v=T-iy29oEmSI (Total internal reflection) | ||
| + | |||
| + | https://www.youtube.com/watch?v=eDIma_Ai1Rc (Human eye and its parts) | ||
| + | |||
| + | https://www.youtube.com/watch?v=nbwPPcwknPU (Human eye and its parts) | ||
| + | |||
| + | https://www.youtube.com/watch?v=ggPOhxtWKVw (How sound is produced by humans) | ||
| + | |||
| + | https://www.youtube.com/watch?v=T8lKKlnnC6M (How we hear sound) | ||
| + | |||
| + | https://www.youtube.com/watch?v=C6ZQUmBg1eU (How we hear) | ||
| + | |||
| + | https://www.youtube.com/watch?v=p3Oy4lodZU4 (How we hear) | ||
| + | |||
| + | https://www.youtube.com/watch?v=lGYUVEj05yU | ||
| + | |||
| + | https://www.youtube.com/watch?v=CY04lXo9brE | ||
| + | |||
| + | https://www.youtube.com/watch?v=2rl007awPC8 (noise pollution) | ||
| + | |||
| + | https://www.youtube.com/watch?v=smLUnse4gWs (Fiber optics) | ||
| + | |||
| + | |||
=Images= | =Images= | ||
| Line 36: | Line 107: | ||
https://www.youtube.com/watch?v=ZNmjBOVIAME (talk from a distance) | https://www.youtube.com/watch?v=ZNmjBOVIAME (talk from a distance) | ||
| + | |||
| + | |||
| + | [Contributor - Gayathri Arun Kumar] | ||
| + | |||
| + | Lesson Plan version 1.1 activities | ||
| + | |||
| + | 1. Materials-Drawing sheet, a protractor, a plane mirror, torch light. | ||
| + | |||
| + | Procedure-I arrange the drawing sheet, protractor and a plane mirror as shown in the diagram. Using the protractor I draw a normal at a point. Then I draw the number of lines at different angles. From the torch light, I make a ray of light to pass along a line and draw the path of the reflected ray. I measure the angle of reflection. I repeat the experiment for different angles of incidence and I measure the corresponding angle of reflection and tabulate the measures. | ||
| + | |||
| + | 2. Materials: wood, window panes, table tops, polished granite surfaces, paper. Procedure: Let us look ourselves through the surface of all these objects. | ||
| + | |||
| + | 3. Materials-plane mirrors, a candle. | ||
| + | |||
| + | Procedure: I keep a burning candle before a plane mirror. I hold another plane mirror at an angle to the first mirror. Then I count the number of images formed. I do the same by keeping the mirrors at different angles and I count the number of images formed. | ||
| + | |||
| + | 4. Materials: Two rubber strips of the same length and width. Procedure: I take two rubber strips of the same length and width. I put them one above the other. I hold them at both ends and stretch them tight. I blow air through the split between them. | ||
=Additional Aids= | =Additional Aids= | ||
| + | [Contributor - Gayathri Arun] | ||
| + | |||
| + | https://drive.google.com/open?id=1Q0tIEEP1P3tpxCkJDnCy-jsoE9io8oXW | ||
| + | |||
| + | [Contributor - Gayathri Arun Kumar] | ||
| + | |||
| + | Lesson Plan version 1.1 PPT | ||
| + | |||
| + | https://drive.google.com/open?id=1RDZ5bAOpHVW-g8IjXvXCo0TlVwyXYkrW (PPT - Tamil) | ||
| + | |||
=Transliteration= | =Transliteration= | ||
| Line 87: | Line 185: | ||
=Worksheets= | =Worksheets= | ||
| + | [Contributor - Gayathri Arun] | ||
| + | |||
| + | https://drive.google.com/open?id=1giRgHgxuCiqh_bsjiEUQaCw8eA_WL1Xb | ||
| + | |||
| + | [Contributor - Ankita Srivastava] | ||
| + | |||
| + | https://drive.google.com/open?id=1PvsCBXc9TvKpHig9A2YNToY1GayXiAS3 (Worksheet 1- English) | ||
| + | |||
| + | https://drive.google.com/open?id=1IF3d3wwRmOuI2r7JR2Bcv5GdbGtHu5N9 (Worksheet 2 - English) | ||
| + | |||
| + | https://drive.google.com/open?id=1OCEux1qzGHg7t2FnaFlMF1TXcOtK-mri (Worksheet 3 - English) | ||
| + | |||
| + | https://drive.google.com/open?id=15Pw-nyfJ9JC4EcJeseJvaZOL6Gs8Tq46 (Worksheet 4 - English) | ||
| + | |||
=Assessments= | =Assessments= | ||
| + | [Contributor - Shyam Sundar A R] | ||
| + | https://drive.google.com/open?id=1xY4tlCJy7QuswsHrGm3fWdd6HqsHDzma (Question bank - English) | ||
<headertabs/> | <headertabs/> | ||
<vote type=1 /> | <vote type=1 /> | ||
<comments/> | <comments/> | ||
Latest revision as of 04:52, 20 February 2019
Go To: TNSB-Science-Grade 8
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Contributor - Gayathri Arun Kumar]
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=1yKbcWz59dEtfvAp1S67kM8w6llRkp59e (Lesson Plan - English)
https://drive.google.com/open?id=1RDZ5bAOpHVW-g8IjXvXCo0TlVwyXYkrW (PPT - Tamil)
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]
https://drive.google.com/open?id=1ahpMT8iEmrWH-zAGyAZLPNgZztRcm1rG (English)
https://drive.google.com/open?id=1_ODuZOYkGio7fka7vAXQ-OOUPQL_vEmp (Tamil)
[Contributor - Gayathri Arun Kumar]
Lesson Plan version 1.1 videos
https://www.youtube.com/watch?v=dwxaq4c9K6k (Reflection of light)
https://www.youtube.com/watch?v=s8ur3rbYfx8 (laws of reflection)
https://www.youtube.com/watch?v=ETF2-Zz3J18 (reflection of light - activitiy).
https://www.youtube.com/watch?v=a1kFMSpvesU (regular , irregular reflection)
https://www.youtube.com/watch?v=rHtootmmIg8 (Multiple reflection , multiple images)
https://www.youtube.com/watch?v=jQDRNb-E-cY (Refraction)
https://www.youtube.com/watch?v=phncGyF1Mog (Everyday effects of refraction)
https://www.youtube.com/watch?v=T-iy29oEmSI (Total internal reflection)
https://www.youtube.com/watch?v=eDIma_Ai1Rc (Human eye and its parts)
https://www.youtube.com/watch?v=nbwPPcwknPU (Human eye and its parts)
https://www.youtube.com/watch?v=ggPOhxtWKVw (How sound is produced by humans)
https://www.youtube.com/watch?v=T8lKKlnnC6M (How we hear sound)
https://www.youtube.com/watch?v=C6ZQUmBg1eU (How we hear)
https://www.youtube.com/watch?v=p3Oy4lodZU4 (How we hear)
https://www.youtube.com/watch?v=lGYUVEj05yU
https://www.youtube.com/watch?v=CY04lXo9brE
https://www.youtube.com/watch?v=2rl007awPC8 (noise pollution)
https://www.youtube.com/watch?v=smLUnse4gWs (Fiber optics)
[Contributor - Kripa S]
https://www.sciencelearn.org.nz/system/images/images/000/000/046/full/Lake-reflection20150805-30600-1t8rqoj.jpg?1447040426 (reflection of light)
http://www.ekshiksha.org.in/sound_VIII/figure_13.JPG (propagation of sounds in solids)
http://www.ekshiksha.org.in/sound_VIII/figure_11.JPG (propagation of sound in liquids)
https://s-media-cache-ak0.pinimg.com/736x/d1/09/04/d109049b8cd95b32bc1a852c24714085.jpg (Structure of an ear)
[Contributor - Kripa S]
https://www.youtube.com/watch?v=ZNmjBOVIAME (talk from a distance)
[Contributor - Gayathri Arun Kumar]
Lesson Plan version 1.1 activities
1. Materials-Drawing sheet, a protractor, a plane mirror, torch light.
Procedure-I arrange the drawing sheet, protractor and a plane mirror as shown in the diagram. Using the protractor I draw a normal at a point. Then I draw the number of lines at different angles. From the torch light, I make a ray of light to pass along a line and draw the path of the reflected ray. I measure the angle of reflection. I repeat the experiment for different angles of incidence and I measure the corresponding angle of reflection and tabulate the measures.
2. Materials: wood, window panes, table tops, polished granite surfaces, paper. Procedure: Let us look ourselves through the surface of all these objects.
3. Materials-plane mirrors, a candle.
Procedure: I keep a burning candle before a plane mirror. I hold another plane mirror at an angle to the first mirror. Then I count the number of images formed. I do the same by keeping the mirrors at different angles and I count the number of images formed.
4. Materials: Two rubber strips of the same length and width. Procedure: I take two rubber strips of the same length and width. I put them one above the other. I hold them at both ends and stretch them tight. I blow air through the split between them.
[Contributor - Gayathri Arun]
https://drive.google.com/open?id=1Q0tIEEP1P3tpxCkJDnCy-jsoE9io8oXW
[Contributor - Gayathri Arun Kumar]
Lesson Plan version 1.1 PPT
https://drive.google.com/open?id=1RDZ5bAOpHVW-g8IjXvXCo0TlVwyXYkrW (PPT - Tamil)
[Contributor - Ramkee]
| Term | Transliterated Term | Translated Term |
| Reflection | ரிபிலெக்ஷன் | ஓளி எதிரொளிப்பு |
| Parallel Beam | பரலல் பீம் | இணைக்கற்றை |
| Convergent Beam | கான்வெர்ஜெண்ட் பீம் | குவிக்கற்றை |
| Divergent Beam | டை வெர்ஜெண்ட் பீம் | விரி கற்றை |
| Incident ray | இன்சிடென்ட் ரே | படு கதிர் |
| Reflected ray | ரி பிளெகடட் ரே | எதிரொளிப்புக்கதிர் |
| Angle of incidence | ஆங்கில ஆப் இன்சிடென்ஸ் | படுகோணம் |
| Angle of reflection | ஆங்கில ஆப் ரிபிலெக்ஷன் | எதிரொளிப்பு படுகோணம் |
| Refraction | ரிபிரக்ஷன் | ஓளி விலகல் |
| Total Internal Reflection | டோடல் இன்டெர்னல் ரிபிலெக்ஷன | முழு அக எதிரொளிப்பு |
| Medium | மீடியம் | ஊடகம் |
| Amplitude | அம்பிலிட்டுட் | அதிர்வெண் |
| Time Period | டைம் பீரியட் | அலைவுக் காலம் |
| Frequency of Vibration | பிரீக்வென்ஸி ஆப் வைபரேஷன் | வீச்சு |
| Prongs | ப்ரொங்ஸ் | புயங்கள் |
| Audible | ஆடிப்பில் | செவியுணர் |
| Inaudible | இன் ஆடிப்பில் | செவியுணரா |
| Optical Fibre | ஆப்டிகல் பைபர் | கண்ணாடி ஓளி இழை |
| Fibre Optics | பைபர் ஆப்டிக்ஸ் | ஒளியிழை இயல் |
[Contributor - Gayathri Arun]
https://drive.google.com/open?id=1giRgHgxuCiqh_bsjiEUQaCw8eA_WL1Xb
[Contributor - Ankita Srivastava]
https://drive.google.com/open?id=1PvsCBXc9TvKpHig9A2YNToY1GayXiAS3 (Worksheet 1- English)
https://drive.google.com/open?id=1IF3d3wwRmOuI2r7JR2Bcv5GdbGtHu5N9 (Worksheet 2 - English)
https://drive.google.com/open?id=1OCEux1qzGHg7t2FnaFlMF1TXcOtK-mri (Worksheet 3 - English)
https://drive.google.com/open?id=15Pw-nyfJ9JC4EcJeseJvaZOL6Gs8Tq46 (Worksheet 4 - English)
[Contributor - Shyam Sundar A R]
https://drive.google.com/open?id=1xY4tlCJy7QuswsHrGm3fWdd6HqsHDzma (Question bank - English)
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