Different Types Of Thermometers. normal temperature of human body is 37°C. its temperature. A thermometer is used to measure the temperature of an object – it is used to find how cold or hot the object is. prevents mercury level from falling on its own.eval(ez_write_tag([[580,400],'educationwithfun_com-box-4','ezslot_4',104,'0','0'])); Ans. What is the relation between the Celsius scale and the Fahrenheit scale ? Clear your concepts and practice more and more with Class 7 English grammar interactive videos, activities, and worksheets. Ans. What is the unit of temperature as adopted by India? Clinical Thermometer It is the thermometer which is used for measuring the temperature of the human body. iv. Clothes of dark colours absorb heat better What is that silver stuff in a thermometer? Heat flows from a hotter object to a colder object. Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day. liquids and gases the heat is transferred by convection. Maths Students who are looking for the better solutions ,they can download Maths NCERT Solutions Class 7 to help you to revise complete syllabus and score more marks in your examinations. How does heat flow from one object to another? Wash the thermometer preferably with an antiseptic solution. Place the bulb of the thermometer under your tongue. What is the unit of temperature as adopted by India? What should be the level of mercury in the clinical thermometer before use? Note the temperature difference indicated between the two bigger marks. In A cold steel spoon is dipped in a cup of If there are 5 divisions in between the two, then using unitary method, each small division measures. Learn the concepts of Class 7 Physics Heat with Videos and Stories. Galileo invented a rudimentary water thermometer in 1593. Ans. Explain working principle clinical thermometer. Properties, advantages, disadvantages & working of clinical thermometers. Learn how to use thermometers here at BYJU’S Ans. Copyright Notice © 2020 Greycells18 Media Limited and its licensors. Get Revision Notes of Class 7th Science Chapter 4 Heat to score good marks in your Exams. • summer. Heat will not be transferred if the temperature of two objects is the same. What should be the level of mercury in the clinical Example: aluminum, iron and copper. ii. Vedantu’s NCERT Revision Notes for Class 7 Science Chapter 4 are comprehensive, allowing students to quickly cover all the crucial aspects of the chapter before their exam. transfer of heat by radiation does not require any medium. Don’t hold the thermometer by the bulb while reading it. Ensure that before use, the mercury level is below 35 0 C. Read the thermometer keeping the level of mercury along the line of sight. Wash the thermometer before and after use with an antiseptic solution, and handle it with care. Do not place the thermometer in a hot flame or in the hot sun. of an object is known as conduction. Vedantu’s NCERT Revision Notes for Class 7 Science Chapter 4 are comprehensive, allowing students to quickly cover all the crucial aspects of the chapter before their exam. Place it upright. measured by a clinical thermometer. than clothes of light colours. If it hits against some hard object, it can break. What is the range of a laboratory thermometer? Among these, the commonly used thermometers are clinical thermometers and laboratory thermometers. Ans. Ans. Cloudflare Ray ID: 5f8964912a703240 Explain the different types of thermometers and their uses. hot milk. Temperature is measured in degree celsius. The long narrow uniform glass tube is called the stem of a thermometer. Example: plastic and wood. Visit the adjective exercises of Class 7 English – Adjectives for more practice. We do not take the responsibility of how the information provided by this website is used or the consequence of its use. Participate in learning and knowledge sharing. Ensure that before use, the mercury level is below 35. Thermometers can be classified as follows: Clinical thermometer transfer of heat by radiation does not require any medium. Temperature of boiling water cannot be Use of Laboratory Thermometer: Take some water in a beaker. The small tube called the bulb, which contains mercury. same? Learn the concepts of Class 7 Physics Heat with Videos and Stories. Sorry!, This page is not available for now to bookmark. i. Few pictures have been taken from different sources, If any Graphic / Image is offensive or under any copyrights then please email us to get it removed. We should hold the thermometer by the bulb

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