Why do people wear light-coloured cloths in the summer and dark coloured cloths in the winter? Both thermometers are not used to measure the temperature. White clothes, in particular, produce a desired psychological effect because white is associated with coolness. In which process heat is transferred from hotter end to colder end is known as: (a) flow from iron ball to water However, according to recent scientific studies, this isn’t the complete story or maybe not even the correct one. (b) laboratory thermometer UV rays tend to pass through lighter-colored fabrics more easily. To my knowledge color doesn't absorb/reflect heat, it absorbs/reflects light. (a) conduction The normal temperature of human body is: (a) convection Why are light coloured clothes preferred in summer? The hand feels hotter because air moves upward direction. (b) Clinical thermometer By: Aleen Ayyash, Leslyn Mcguillvray, Question 5. Dark coloured clothes are preferred during; Light coloured clothes are preferred during ; Summer ; Winter; Day; Night; View Answer. (a) winter b) Utensils are made of metals. Character Study. because hot air moves in upward direction. Question 33. A) are strong and light. Sea breeze flows during b. Give reason for the following: We prefer to wear light – coloured clothes in summer and dark - coloured clothes in winter. Add your answer and earn points. Question 6. ……………………. (a) conduction Question 15. (c) coldness of an object Light coloured clothes are preferred during. If someone is wearing dark coloured clothing in the heat\sun then the person wearing the dark clothing will sweat, feel hot. To avoid being outside when the temperatures are most extreme Class: Recall, Difficulty: Average 24. Answer Save. Write. False. A white color reflects all the light so it doesn't produce any heat. Between 30°C and 50°C because temperature of mixture will be between. What are conductors? State similarities and differences between the laboratory thermometer and the clinical thermometer. For many of us, we’ve grown up surrounded by family members that have told us not to go outside in the sweltering sun wearing dark clothing. B) Light coloured clothes are good absorbers of heat. Lots of factors are also likely to be important for heat gain including the thickness and type of clothing (, Written by Rosemarie Majdalani and edited by Aldrin Gomes. (c) 20°C to 110°C They also wear a red sari during marriage. This is because they . 4) Synthetic fibres are obtained from plants and animals. True or False/ Fashion. Celsius scale is used in clinical thermometer nowadays. (a) holding the thermometer by bulb (b) summer To measure the temperature of an object, we use: (c) circular direction 1) Clothes do not protect us from dust. Temperature of boiling water can be measured by ……………………. Question 1. 1. (That's probably all they have in common, but you never know.) Question 11. Question 4. 2. ……………………. Radiated heat travels like light and moves in a straight line. Question 37. (d) does not become cold. It was found that, although the black Bedouin robe absorbed 2.5 times more radiation than the white robe and 1.5 times more than the tan army uniform and shorts, the amount of heat gained by the participant was the same regardless of clothing. State whether the following statements are ‘True’ or ‘False’: Question 1. Minimum and maximum temperature records temperature of time. Dark coloured clothes are Preferred during (c) day (iv) Light coloured clothes are Preferred during (d) night . Which of the following substance is not a bad conductor of heat ? day during other seasons and at other times of the day. Clinical and digital thermometer measure the body temperature. (b) Fahrenheit scale (a) day True. To block the most, wear deep blue and black or bright solids like orange and red. colour absorb the heat better than the clothes of light colours. 2. (c) K Don’t hold the thermometer by the bulb while reading it. Light coloured clothes are preferred during. Have a glance at the MCQ of Chapter 4 Science Class 7 and cross-check your answers during preparation. True or False: Wearing light-colored clothes in hot weather is better than wearing darker clothing? Question 36. (d) insulators. (c) gases For many of us, we’ve grown up surrounded by family members that have told us not to go outside in the sweltering sun wearing dark clothing. (d) Between 30°C and 50°C. Students are advised to practice the NCERT MCQ Questions for Class 7 Science Chapter 4 Heat with Answers Pdf free download is available here. (a) conduction Their idea was that lighter clothing, in addition to a delicate fabric, elicits the visual of airiness, coolness, and breeziness. Test. Heat is transferred from hotter end to colder end is known as conduction. Because while all that certainly sounds great in theory, there are a few other factors at play that might be working against the light clothing adage. (d) copper is a better conductor of heat than the stainless steel. Q-3) State true or false. (c) radiation A. AbductionB. Fahrenheit scale was used in clinical thermometer during earlier time. Instead, light-colored clothing was usually advised. (d) does not become cold The heat is transferred directly from its source to another place without help of any substance in between, without a medium is: Living Science Solutions for Class 7 Science Chapter 6 Flow Of Heat are provided here with simple step-by-step explanations. A good point of reference is that the sun at midday measure 5780 Kelvin. Terms in this set (30) True. (b) convection Question 22. Question 7. (a) conduction Give two examples each of conductors and insulators of heat. If you feel any information regarding CBSE Class 7 Science Heat MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly. Red and green, violet and yellow, blue and orange – complementary colors, as the name goes, work best when put together. (d) Between 30°C and 50°C dark coloured clothes are prefered in summer because they absorb more radiant heat . 4. (b) More than 50°C but less than 80°C 4 Answers. (c) radiation (c) Wood (c) line Wearing bright clothing in the heat: When wearing dark coloured clothing what does it do to you in the heat? If you wear white or a light color in the summer, you will be a lot cooler than if you wear a black or dark color. (b) °C The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. (c) radiation (a) insulators (b) Fahrenheit scale Question 12. Question 14. 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