Difference between revisions of "TNSB - 7 - Science :: Heat and Light"
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Revision as of 07:33, 3 January 2018
Go To: TNSB-Science-Grade 7
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[Contributor - Anu Nived]
Objective: To teach the students about heat and light
Subtopics to be covered:
- Reflection of light
- Sources of heat
- How temperature is measured
- Types of thermometers
- Reflection of light
- Types of mirrors
-Concave and Convex lens
- How rainbow is formed
Learning Outcome:
- Students know about hot and cold objects
- They know how to convert Celsius into Fahreinheit
- Students know that sunlight is a mix of different colours
- They know about the images formed by concave and convex lenses
-They also know about dispersion and Newton's disc
[Contributor - Kripa S]
http://www.textbooksonline.tn.nic.in/Books/Std07/Std07-III-MSSS-TM-3.pdf#page=12 (Tamil Medium)
http://www.textbooksonline.tn.nic.in/Books/Std07/Std07-III-MSSS-EM-3.pdf#page=12 (English Medium)
[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 - Kripa S]
1. Ask the students to name a few things that are hot, cold.
2. Take three large mugs. Label them as A, B and C. Put cold water in mug A and hot water in mug B. Mix some cold and hot water in mug C. Now dip your left hand in mug A and the right hand in mug B. After keeping the hands in the two mugs for 2–3 minutes, put both the hands simultaneously in mug C. Do both the hands get the same feeling?
[Contributor - Subramaniam T]
https://drive.google.com/open?id=1PEpZ-5TbBXIbvaqtEkzvLjGjQmI1AiY5
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