WBSED - 7 - Science :: Role of matter in building of environment

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Go To: WBSED-Science-Grade 7

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[Contributor - Samita Ghoshal]

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=1CqLn6LOjPgYEpwxgrVejEy2fj1Pd7qvK (Lesson Plan - English)


https://drive.google.com/open?id=1WbMzmoOH1XRfgtz9oZbDQrKg_jgHjTJ- (PPT - English)


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]

Hindi Medium

[Contributor - Malabika Sarker]


https://drive.google.com/open?id=0B4m07xnDF8JpN0xNajhjNXdyVU0 (man made materials)


[Contributor - Samita Ghoshal]

Lesson Plan version 1.1 videos

https://www.youtube.com/watch?v=UjO4pjtMneg (Acids bases abd their properties)

https://www.youtube.com/watch?v=ckbsHM2igT0 (What is Ph scale)


[Contributor - Kripa S]


1. Ask the students to list one complete meal that they eat regularly. Ask them to state the ingredients used to prepare the meal. Which of those ingredients came from plants? Classify the ingredients according to the part of a plant that it comes from.


2. Ask a student to list out their one complete meal. Classify parts of the meal according to nutrients: proteins, carbohydrates and fat. Ask students to give a few more examples of food containing each of the nutrients.


[Contributor - Samita Ghoshal]

Lesson Plan version 1.1 activities

1. Tasting the difference between Vinegar/water, Sodium Bicarbonate/water and Calcium Hydroxide/water.


[Contributor - Arnab Das]

https://drive.google.com/open?id=0BzNF2YyqQxJ-TVVjTl94VnM5YjA

[Contributor - Samita Ghoshal]

Lesson Plan version 1.1 PPT

https://drive.google.com/open?id=1WbMzmoOH1XRfgtz9oZbDQrKg_jgHjTJ- (PPT - English)


[Contributor - Arnab Das]

Term Transliterated Term Translated Term
Organic অর্গানিক জৈব
Inorganic ইনঅর্গানিক অজৈব
Element এলিমেন্ট মৌল
Metal মেটাল ধাতু
Carbohydrate কার্বোহাইড্রেট শর্করা
Acid অ্যাসিড অম্ল
Base বেস ক্ষারক
Alkali অ্যাল্কালি ক্ষার
Indicator ইন্ডিকেটর নির্দেশক
Neutralization Reaction নিউট্রালাইজেশন রিঅ্যাকশন প্রশমন বিক্রিয়া
Dissociation ডিসসোশিয়েসন বিয়োজন
Solution সলিউশন দ্রবণ
Crystal ক্রিস্টাল কেলাস
Sea Salt সী সল্ট সৈন্ধব লবণ
Rock Salt রক সল্ট বীট লবণ
Ionization আয়োনাইজেশন আয়নিত
Excretion এক্সক্রিশন রেচন
Synthetic সিন্থেটিক সংশ্লেষিত
Polymer পলিমার বৃহৎশৃংখল যৌগ
Pigment পিগমেন্ট রঞ্জক
Biodegradable বায়োডিগ্রেডেবল জৈব ভঙ্গুর
Non biodegradable নন বায়োডিগ্রেডেবল জৈব অভঙ্গুর
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