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EVidya Let us do these activities before we read. Look at this picture. (a) What are these children doing? Answer: The children are playing ball. (b) Where do you think they are? Answer: They are in a field near a creek. (c) What is the time of the day? Answer: It is evening time. Discuss the … Read more
Let us do these activities before we read. Which games or sports do you play? Answer: I play cricket and badminton. Read the questions given below. Talk about them and make a list. (a) Which games or sports do you play for fun? Answer: I play hide and seek and tag for fun. (b) Which … Read more
Question: Aavi has a different opinion from Thirav. What do you think? Why? Do you think Thirav is right? How can you find out? Answer: I think Aavi is correct. Ice and water are the same substance in different forms. Why? Because when we freeze water, it becomes ice, and when we melt ice, it … Read more
Question 1: Can it always be correctly judged, that a person has fever, only by touching the person? Answer: No, we cannot always tell if a person has a fever just by touching them. Our sense of touch is not always reliable. Sometimes, a person’s skin might feel warm or cool for other reasons. To … Read more
Question 1: Are the tape and rod similar to the scale that the elder sister has in her geometry box? What did mother mean by char angula? Answer: Yes, the tape and the rod are similar to the scale in the geometry box because they are all used to measure length. The tape is flexible, … Read more
Question 1: What similarities and differences did you find among the plants that you observed? Answer: Similarities: All plants have stems and leaves. Many have flowers. They all need sunlight, water, and soil to grow. Differences: Some plants are tall, while others are short. Stems can be thick or thin, hard or soft. Leaves come … Read more
Intext Questions and Answers Question: Study the given map for the forest cover and try to find the reasons as to why certain states have more forest area as compared to others? Answer: Certain states have more forest area because of factors like climate, rainfall, and terrain. States with high rainfall and favorable climate, such … Read more
Question 1: In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic acid. The products were 2.2 g of carbon dioxide, 0.9 g of water, and 8.2 g of sodium acetate. Show that these observations are in agreement with the law of conservation of mass. Answer: Total mass of reactants: Mass … Read more
In-Text Questions and Answers What are canal rays? Answer: Canal rays are streams of positively charged particles discovered by E. Goldstein. They are also known as anode rays. These rays are produced in a gas discharge tube and move in a direction opposite to that of electrons. If an atom contains one electron and one … Read more
In-text Questions 1. Why 82°30’E has been selected as the Standard Meridian of India? India is a large country, with a time lag of two hours from the easternmost point to the westernmost point. To avoid confusion, 82°30’E longitude, which passes through Mirzapur in Uttar Pradesh, is chosen as the Standard Meridian of India because … Read more