Satya Shikshan (সত্য শিক্ষণ)

1. Piece of cake – Meaning :   a very easy thing Example - I like Mathematics and so the homework was a piece of cake for me. 2. Costs an arm and a leg Meaning :   very expensive, costs a lot of money Example - His new car cost an arm and a leg. A: Do you want to go to that shopping mall? B: No A: Why not? B: Because everything there costs an arm and a leg. It’s too expensive for a student like me. 3. Hit the books – Meaning :   Study with concentrated effort. Example - At exam time, we all hit the books. He had a fear of failing, so he used to return home early and hit the books.

LESSON 5 (F rom the Text Book of Science for Class VIII of Maharshi Vidya Mandir Schools Group) Page No. 55 8. Classify the given resources in the box into natural resources and man-made resources.     chalk, chair, sunlight, water, metals, plaster, cloth, trees, animals, paper, wind and soil. Ans. -  Natural resources    Man-made resources                    sunlight                       chalk                    water                           chair                    trees                            metals                    animals                       plaster                    wind                           cloth                    soil                             paper     9. Why are coal, petroleum, and natural gas are called fossil fuels? Ans. - Coal, petroleum, natural gas are called fossil fuels because they are formed by the process called Fossilization of living organisms. 10. What are Fossils? Ans. - Fossils are remains of plants and animals trap

( SEBA ৰঅসমীয়া মাধ্যমৰ দশম শ্রেণীৰ ছাত্ৰছাত্ৰীসকলৰ বাবে‍) বৈ‍দ্যুতিক মটৰৰ কার্যনীতি‍       কাষৰ চিত্ৰত  ABCD এটা বৈদ্যুতিক মটৰ৷ ই তামৰ অন্তৰিত তাঁৰৰ আয়তাকাৰ কুণ্ডলী ABCD ৰে গঠিত৷ কুণ্ডলীটো এখন চৌম্বক‍ ক্ষে‍ ত্ৰৰ দুটা মেৰুৰ মাজত এনেদৰে ৰখা হয় যাতে ইয়াৰ AB আৰু CD বাহু দুটা চৌম্বক‍ক্ষে‍ত্ৰখনৰ দিশৰ লম্বভাৱে থাকে৷ কুণ্ডলীটোৰ প্ৰান্ত দুটা এটা ফলা আঙুঠি (split ring) ৰ দুটা অর্ধাংশ  P আৰু Q ৰ লগত সংযোজিত৷ এই অর্ধাংশ দুটাৰ ভিতৰভাগ অন্তৰিত আৰু বৰ্হিভাগ দুটাই লৰচৰ কৰিব নোৱাৰা ব্ৰাচ X আৰু Y ক স্পর্শ কৰি থাকে৷           বেটেৰীৰপৰা প্ৰবাহ  X ব্ৰাচেৰে সোমাই ABCD পথেদি  Y ব্ৰাচেৰে পুনৰ বেটেৰীলৈ উভতি যায়৷ প্ৰবাহ A ৰপৰা B লৈ তথা  C ৰপৰা  D লৈ গৈ থকা অৱস্থাত ফ্লেমিঙৰ বাঁহতীয়া নীতি অনুসৰি চৌম্বক ক্ষে‍ত্ৰখনে‍ AB বাহুক তললৈ আৰু CD বাহুক ওপৰলৈ ঠেলিব৷ ফলত অক্ষ সােপেক্ষ মুকলিকৈ ঘূৰিব পৰাকৈ সংস্থাপিত কুণ্ডলীটো আৰু  O অক্ষদণ্ডডাল ঘড়ীৰ কাঁটাৰ বিপৰীত দিশত ঘূৰিব৷ আধাপাক ঘূৰাৰ পিছত  Q য়ে‍ X ব্ৰাচক আৰু P য়ে Y ব্ৰাচক স্পর্শ কৰাৰ ফলত প্ৰবাহৰ দিশ বিপৰীতমুখী  (DCBA) হ ' ব৷             এইব

LESSON 5 ( From the Text Book of Science for Class VIII of Maharshi Vidya Mandir Schools Group) Page No.54 1. What are natural resources? Give some examples. Ans. - The things that we obtain from nature are called natural resources.     Examples of some natural resources are air, water, soil, minerals, wood, sunlight etc. 2. Name some natural resources that we use to produce energy. Ans. - some natural resources that we use to produce energy are air, water, soil, minerals, wood and sunlight. 3. How many types are the natural resources broadly classified into based on their availability? What are they? Ans. - Based on their availability, the natural resources are broadly classified into two types.     They are -          (i) Renewable or Inexhaustible Natural Resources. and         (ii) Non-renewable or Exhaustible Natural Resources. 4. Give some examples of Renewable or Inexhaustible source of Energy. Ans. - Some examples of Renewable or Inexhaustible sou

I'm going to provide notes on Science for our students here. Initially, I'll use this blog to store some information (notes) on various topics. Hope, you all like it.