TNSB - 6 - Science :: Changes around us

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Go To: TNSB-Sci-Grade 6

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Course Content / Subtopic list:


  1. Classification of changes - Slow and fast changes
  2. Physical and chemical changes
  3. Desirable and undesirable changes
  4. Natural and human made changes

Expected Learning Outcome:


SWBAT-

  1. Distinguish between slow and fast changes
  2. Identify the physical and chemical changes with ex
  3. Classify between desirable and undesirable changes


Lesson Plan

[Contributor - Anu Nived]


Objective: To teach the students about the changes happening around us

Subtopics to be covered:

- Types of changes

Learning Outcome:

- Students know about various changes happening around us

- They can give examples of changes from their day to day life


Videos

[Contributor - Kripa S]


https://www.youtube.com/watch?v=BgM3e8YZxuc (physical vs chemical change)


Images

[Contributor - Anu Nived]


http://i93.photobucket.com/albums/l77/afkimel/Misc/158821408_zpsc6a1cb59.jpg (slowchange - baby to adult)

http://sew-lexicon.com/wp-content/uploads/2017/04/LED-LIGHTING-A.jpg (fast change -lighting bulb)

http://bishopsworth.wikispaces.com/file/view/egg.gif/35312657/egg.gif (irreversible change)

http://4.bp.blogspot.com/-6j7hrO2o3Rc/U1FmrpYzELI/AAAAAAAAACI/LzoqysbJbEg/s1600/mold+on+bread.jpg (undesirable change - rotten  bread)

http://www.masterclockrepair.com/images/675_moon_phase_crop.jpg (periodic changes)

http://www.chesapeakebay.net/images/issues/weather.jpg (non periodic change - flood)

Activities

[Contributor - Kripa]


1. Pick three students. Ask each student what happens when they

a) rolled out atta to make a roti

b) stretch a rubber band

c) Fold a piece of paper

2. Explain reversible and irreversible changes:

a) Measure the length of a piece of paper, fold it and then measure again. The shape of the paper changes. Unfold the piece of paper. It is now its original length.

b) Make a hole in a piece of paper. Ask the students to fill in the hole and make the paper as it was before. Is it possible?


Additional Aids

[Contributors - Madhumitha Rajamohan, Anusha Rao]

https://drive.google.com/open?id=0BzNF2YyqQxJ-dDVaS0VtR2k0cFU

https://drive.google.com/open?id=1ode_dK6J8E4q_qS54eR0p2pDsTHeVIPn (Answer Key 1)

Transliteration

[Contributor - Gayathri Arun]

Term Transliterated Term Translated Term
original                                             ஒரிஜினல்                                                அசல், தோற்ற, மூல
ripening                                            ரைப்பனிங்                                                பழுத்தல், கனிதல்
spoilage                                            ஸ்பாய்லஜ்                                                கெட்டுப்போதல்,கழிவு
eruption                                           எ றப்க்ஷன்                                              சீற்றம், பொங்குதல்
rusting                                                ரஸ்டிங்                                                  துருப்பிடித்தல்

Worksheets

[Contributors - Madhumitha Rajamohan, Anusha Rao]

https://drive.google.com/open?id=0BzNF2YyqQxJ-cU82OXI2MEs4UXc

https://drive.google.com/open?id=1q48M6o8yoOGaL861KtHVfp4kx719J3Sf (Worksheet 1)

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