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Probe and Ponder (Page 1) Question: Which of the entities in the picture above consist of matter, and which of them do not? Answer: The students, the books, the bags, the clothes, and the air around them consist of matter because they have mass and take up space. Things like thoughts, ideas, light, or the … Read more
Probe and Ponder (Page 1) Question: Why is it possible to pile up stones or sand, but not a liquid like water? Answer: Stones and sand are solids. Their particles are held together very tightly, so they have a fixed shape and can be piled up. Water is a liquid. Its particles are not held … Read more
Intext and Activity Questions Page 2 Q1: Is every Office Memorandum a major political decision? If not, what made this one different? Answer: No, not every Office Memorandum is a major political decision. Most are routine orders issued by the government every day. This specific one was different because it announced a major policy decision … Read more
१. कोष्ठकात् समीचीनम् उत्तरं चित्वा लिखन्तु (Choose the correct answer from the brackets and write) (क) कति बालकाः स्नातुं गताः? (How many boys went to bathe?) उत्तर: दश (Ten) (ख) कतमः बालकः नद्यां मग्नः इति निश्चयम् अकुर्वन्? (Which boy did they decide had drowned in the river?) उत्तर: दशमः (The tenth) (ग) दशमः कः आसीत्? … Read more
Let’s Explore (Page 174) Question: Why is a city like Kolkata, Chennai or Mumbai more complex and diverse than a village or a town? Answer: A city like Kolkata, Chennai, or Mumbai is more complex and diverse because it has many different kinds of people living together. In a city, people have different jobs, speak … Read more
Question 1: Do you know the term for a society where people select their leaders? How do you think people can benefit from such a situation? What could happen if they live under leaders that they did not choose? Write your thoughts in a paragraph of 100–150 words. Answer: Yes, a society where people select … Read more
Surface Areas and Volumes – Cone, Sphere, Hemisphere 1 Right Circular Cone What is it? A right circular cone is a solid shape generated by rotating a right-angled triangle around one of its perpendicular sides. It looks like an ice-cream cone or a birthday cap. Height (h): The straight distance from the vertex (top tip) … Read more
Section 5.1: Is This a Multiple Of? (Questions on Consecutive Numbers) Question: “Can I write every natural number as a sum of consecutive numbers?” Answer: No. Not every natural number can be written as a sum of consecutive natural numbers. The numbers that cannot be written as a sum of two or more consecutive natural … Read more
Question Set 1 (Page 3) 1. A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 10.3). Let us take it that the force acts on the object through the displacement. What is the work done in this case? Answer: The work done … Read more
Page 1: The Big Questions Question 1: What are Panchayati Raj institutions? Answer: Panchayati Raj institutions are like a small government for villages. Just like India has a big government in Delhi, villages have their own local government called the Panchayat. This system helps people in villages solve their own problems and govern themselves. Question … Read more