Difference between revisions of "TNSB - 6 - Science :: Chemistry in Daily Life"

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=Activities=
 
=Activities=
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[Contributor - Vikas Kumar]
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1. Ask some of the students to gather a handful/spoonful of cement from any site. In the class, ask them to dissolve the cement in any container (cup, beaker). Stir the mixture with the spoon and leave it for one day (The cement will ossify). Show the result the activity to students and ask them to guess various uses of cement based on what they saw.
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2. Plastic have various uses and can be classified into types – thermostats (non reshapable) and thermoplastic (reshapable). Ask the students to identify
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1) Various plastics in the environment.
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2) Make them guess on what would happen if we heat it.
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3) Which is thermostat and which is thermoplastic.
  
 
=Additional Aids=
 
=Additional Aids=

Revision as of 05:57, 4 January 2018

Go To: TNSB-Science-Grade 6

[edit]

[Contributor - Preethi Saravanakumar]


Objective: To teach the students how we produce many things which are very useful in our daily life, based on the chemical properties of naturally available raw materials.

Subtopics to be covered:

  1. Cement and its uses
  2. Plastics (Types and uses of plastics)
  3. Glass and its uses
  4. Soap -preparation and uses
  5. Fibres (Types of fibres and their uses)

Learning Outcome:

  1. Students understand the use of Chemistry in daily life.

[Contributor - Vikas Kumar]

1. Ask some of the students to gather a handful/spoonful of cement from any site. In the class, ask them to dissolve the cement in any container (cup, beaker). Stir the mixture with the spoon and leave it for one day (The cement will ossify). Show the result the activity to students and ask them to guess various uses of cement based on what they saw.

2. Plastic have various uses and can be classified into types – thermostats (non reshapable) and thermoplastic (reshapable). Ask the students to identify 1) Various plastics in the environment. 2) Make them guess on what would happen if we heat it. 3) Which is thermostat and which is thermoplastic.

[Contributor - Gayathri Arun]


https://drive.google.com/open?id=0BzNF2YyqQxJ-U3B5Y0E2RDNVa0k (Answer Key 2)


[Contributor - Ramkee]

Term Transliterated Term Translated Term
Thermo Plastics தெர்மோ பிளாஸ்டிக்ஸ் வெப்ப நெகிழிகள்
contagious கண்டெஜீயெஸ் தொற்றக்கூடிய
Non Inflammable நான் இன்ப்பிளேமப்பில் எளிதில் எரியாத
Degrade டிகிரேட் வெப்பநிலைப் பிறழ்ச்சி, தரத்தைக் குறை
Viscous Liquid விஸ்கஸ் லிக்விட் பிசுபிசுப்பான திரவம்
Molten Glass மோல்டன் க்ளாஸ் உருக்கிய கண்ணாடி
Brittle ப்ரிட்டில் நொறுங்கத்தக்க
Annealing அன்னீலிங் பதனாற்றுதல்
Fibres பைபர்ஸ் இழை
Synthetic சிந்தெடிக் செயற்கையான
Fur பற் மென்மயிர்
Cellulose செல்லுலோஸ் மரக்கூழ்
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