Clinical Thermometer Laboratory Thermometer; Clinical thermometer is scaled from 35°C to 42°C or from 94°F to 108°F. You can use a laboratory thermometer for checking the temperature … 0000007323 00000 n Which one of these is a good conductor of heat a. 0 0000009474 00000 n Straw c. Rubber d. Copper 12. Class 7 Science Chapter 4 Extra Questions and Answers Heat. 0000007287 00000 n State similarities and differences between the laboratory thermometer and the clinical thermometer. the scale in laboratory thermometer is marked along the length of thermometer’s tube between 0° mark and 100° mark into 100 equal divisions. Laboratory thermometer is generally scaled from -10°C to 110°C. 6 thoughts on “Laboratory thermometer” Anonymous. Clinical thermometer can never be used for measuring the temperature of any object other than human body. 10. It allows us to find the meaning behind everything and helps improve lives in a massive way. 0000001592 00000 n CLASS VII SCIENCE – HEAT 1. November 5, 2015 at 9:48 PM tysm!! startxref Digital thermometer. This is because as soon as we take out the bulb of the laboratory thermometer from our mouth, the level of mercury in its tube will start falling quickly. Class 7 Chemistry Heat: Laboratory thermometer: Laboratory thermometer. 125 0 obj<>stream Reply. A laboratory thermometer cannot be used to measure the human body temperature. ammarah. Clinical thermometer is used to measures the human body temperature. Class 7 Chemistry Heat: Types of thermometers: Types of thermometers. xref Question 3. Hello StudentsMyself Yami Chaudhary My Qualification are B.Sc ( Zoology ,Botany , Chemistry ) ; M.Sc (Organic Chemistry) ; B.Ed , CTET Qualified .Welcome to our YouTube Channel \"Vedant Classes Science Class 7\"This is an Educational based channel . 0000010049 00000 n 8) Mercury in Laboratory and Clinical Thermometer. Thermometers can be classified as follows: Clinical thermometer . Aupson. (iii) Both contain mercury in the bulb. The thermometer is represented with a diagram as well to aid students in recognising this device to measure body temperature. Answer:-10°C to 110°C. Students will be able to correctly read a thermometer. 0000008200 00000 n Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 2. %PDF-1.4 %���� 0000003471 00000 n Which of these is a bad conductor of heat a. This is because as soon as we take out the bulb of the laboratory thermometer from our mouth, the level of mercury in its tube will start falling quickly. NCERT Solutions for Class 7 Science Chapter 4 Heat. 0000006439 00000 n Question 1. 0000005235 00000 n x�b```�5���� cc`a����Ѐf��� �",��>Ma6q���m��� ��q^����'�%�c�3D&f0~iZ�T��o�e�% �. 0000005615 00000 n Reply. %%EOF 0000003939 00000 n Wool b. Question 1. 0000004791 00000 n 123 28 We try to offers you an opportunity to use that knowledge wisely, irrespective of race, creed, and gender, education makes it possible for people to stand out as equal with all the other persons from different walks of life.Overall, education is the platform that makes it possible to defeat all barriers.In that respect, here we are have some educational videos of NCERT to help you and appreciate the power of learning and gaining knowledge... CLASS 7 SCIENCE - Nutrition In Plants Science Class 7 Chapter 1 https://www.youtube.com/playlist?list=PLJOlk_awCYYvrmgLq9SbUtxlAfZj9LNgcNutrition in AnimalsScience Chapter 2 https://www.youtube.com/playlist?list=PLJOlk_awCYYtN02b9A-7bpdI0AiaBwx9-Fibre to Fabric - Chapter 3https://www.youtube.com/playlist?list=PLJOlk_awCYYuPIJFEk0k6ugZqTLlKQLrdHeat Chapter 4https://www.youtube.com/playlist?list=PLJOlk_awCYYtWLRUPGR5VrF27N7sWoXvrAcid Bases and Salts Chapter 5https://www.youtube.com/playlist?list=PLJOlk_awCYYuGEPqwjJYPp689ZRLyyUFtPhysical and Chemical Change Chapter 6https://www.youtube.com/playlist?list=PLJOlk_awCYYt5OoSuiIAa47F9I3qpN-CVWeather Climate and Adaptation of Animals to Climate Chapter 7https://www.youtube.com/playlist?list=PLJOlk_awCYYsH_ngnw0q-vPRVLmVWTNFcRespiration in Organisms Chapter 10https://www.youtube.com/playlist?list=PLJOlk_awCYYsmE6xvhxIuJojsphNZH5fALight Chapter 15https://www.youtube.com/playlist?list=PLJOlk_awCYYtQdr_1lDaKpUg3UQhsrAUmWater a Precious Resources Chapter 16https://www.youtube.com/playlist?list=PLJOlk_awCYYtGSfk9GcOcFIjxXxLCFZSUForests Our Lifeline Chapter 17https://www.youtube.com/playlist?list=PLJOlk_awCYYsySxklvRC1fmQyCw-j05OxWastewater Story Chapter 18https://www.youtube.com/playlist?list=PLJOlk_awCYYs6sUrpULIbdBGy_SVEkmzH Answer: By the process of convection. Speaking Activity: Students discuss weather forecasts in a small group and participate in small and whole class discussions. 0000003231 00000 n Mercury level does not fall on its own, as there is a kink near the bulb to prevent the fall of mercury level. Heat Class 7 Extra Questions Very Short Answer Type. <<261c68df04b9444d8fe34e7282e817de>]>> 0000002572 00000 n It is used to measure the temperatures in school or other laboratories for scientific purpose as they measure temperatures to a range higher than clinical thermometers. thermometer and how to convert different temperature scales. It is measured by using an instrument called thermometer, which has a scale marked on it which is used to read the temperature, e.g. They are a hollow, long tube which is narrow and cylindrical. Answer: Similarities : (i) Both consist of a long, narrow and uniform glass tube. 0000000856 00000 n Laboratory thermometers are designed for lab purposes such as checking boiling point, freezing point, or temperature of other substances.
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