Methods of Separation in Everyday Life: Enhanced Learning and Activities 1. What purpose does handpicking serve in the process of separation? Answer: Handpicking is used to separate solid materials from a mixture based on differences in size, color, or shape. 2. Which substances are commonly separated using the churning method? Answer: Cream from milk is […]
Answers to the Questions from “A Journey Through States of Water” 1. Which of the following best describes condensation? (iv) The conversion of water vapour into its liquid state. 2. Identify in which of the given processes evaporation is very important. (i) Colouring with: (b) Water colours Evaporation helps water colours dry on the […]
Answers to the Questions from “Temperature and its Measurement” 1. The normal temperature of a healthy human being is close to: (ii) 37.0 °C 2. 37 °C is the same temperature as: (iv) 98.6 °F 3. Fill in the blanks: (i) The hotness or coldness of a system is determined by its temperature. (ii) The […]
Answers to Learning Enhancement Activities from Chapter: Materials Around Us 1. Visit your kitchen and observe how edibles are organized. Suggest a better sorting method. In many kitchens, items are sorted by size or usage. A better method could be: Dry Ingredients (e.g., spices, flour, sugar) in airtight jars arranged by usage frequency. Liquid Ingredients […]
Chapter 5: Measurement of Length and Motion – Question and Answer 1. Match the lengths with suitable units (Table 5.5): Column I Column II Distance between Delhi and Lucknow kilometre Thickness of a coin millimetre Length of an eraser centimetre Length of school ground metre 2. True (T) or False (F): The motion of a […]
Answers to Chapter 4: Exploring Magnets 1. Fill in the blanks: (i) Unlike poles of two magnets attract each other, whereas like poles repel each other. (ii) The materials that are attracted towards a magnet are called magnetic materials. (iii) The needle of a magnetic compass rests along the north-south direction. (iv) A magnet always […]
Enhanced Learning Activities with Solutions 1. Pick the odd one out and give reasons: (i) Jowar, Bajra, Ragi, Chana Odd one out: Chana Reason: Jowar, Bajra, and Ragi are millets, while Chana is a pulse. (ii) Kidney beans, Green gram, Soya bean, Rice Odd one out: Rice Reason: Kidney beans, Green gram, and Soya bean […]
Questions and Answers 1. What is science? Science is a way of thinking, observing, and understanding the world around us. It involves asking questions, exploring, and uncovering the secrets of the universe using a systematic approach. 2. Why is curiosity important in science? Curiosity drives us to ask questions, observe, and seek answers about the […]
Enhanced Learning Activities with Solutions 1. Differences in roots and leaf venation of wheat and kidney bean plants Wheat: Root type: Fibrous roots Leaf venation: Parallel venation Kidney beans: Root type: Taproot Leaf venation: Reticulate venation Explanation: Monocots like wheat have parallel venation and fibrous roots, while dicots like kidney beans have reticulate venation and […]
1.1 What is Mathematics? Mathematics is, in large part, the search for patterns, and for the explanations as to why those patterns exist. Such patterns indeed exist all around us — in nature, in our homes and schools, and in the motion of the sun, moon, and stars. They occur in everything that we do […]