Thermometer (thermos: hot; metron: measure) is the universal instrument used to measure temperature. 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. 125 0 obj<>stream How does the transfer of heat take place in water or air? Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. While laboratory thermometers are intended to support a wide array of research activities, clinical thermometers are made for health care purposes. thanks1. 0000008200 00000 n startxref 123 0 obj<> endobj 3. xref Answer: Similarities : (i) Both consist of a long, narrow and uniform glass tube. 0000010650 00000 n Students will be able to read, draw and interpret a temperature graph. trailer 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. A laboratory thermometer cannot be used to measure the human body temperature. <<261c68df04b9444d8fe34e7282e817de>]>> Aupson. 0000005235 00000 n %%EOF 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. (7) Handle the thermometer with care. (iii) Both contain mercury in the bulb. 0000007323 00000 n 10. NCERT Solutions for Class 7 Science Chapter 4 Heat. Students will be able to display data in a bar graph 9. 0000003231 00000 n 0000000016 00000 n Clinical thermometer is used to measures the human body temperature. Laboratory thermometer is generally scaled from -10°C to 110°C. (7) Handle the thermometer with care. 0000006439 00000 n State similarities and differences between the laboratory thermometer and the clinical thermometer. thermometer and how to convert different temperature scales. 0000010049 00000 n November 5, 2015 at 9:48 PM tysm!! Clinical Thermometer Laboratory Thermometer; Clinical thermometer is scaled from 35°C to 42°C or from 94°F to 108°F. Mercury level does not fall on its own, as there is a kink near the bulb to prevent the fall of mercury level. They have a bulb at one end of the cylinder. 8) Mercury in Laboratory and Clinical Thermometer. Class 7 Chemistry Heat: Types of thermometers: Types of thermometers. Wood b. %PDF-1.4 %���� helpful af. Answer: By the process of convection. 0000002028 00000 n Here in this channel you will get all chapter of Ncert Science Class 7 . Gold c. Copper . Question 1. 0000007287 00000 n 0000009474 00000 n Thermometers can be classified as follows: Clinical thermometer . I had explained all chapters in Bilingual language (Hindi and English ).Education is one of the most powerful things in life. 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 . 0000017892 00000 n September 6, 2016 at 1:38 PM plz write about thread in lab th.meter. Clinical Thermometer is meant for clinical purposes. Digital thermometer. It can break if hit against any hard object. 0000017682 00000 n Which one of these is a good conductor of heat a. 0000017441 00000 n It can break if hit against any hard object. 0 Reply. Speaking Activity: Students discuss weather forecasts in a small group and participate in small and whole class discussions. Class 7 Science Chapter 4 Notes summarise the description of a clinical thermometer. Extra Questions for Class 7 Science Chapter 4 Heat with Answers Solutions . They are a hollow, long tube which is narrow and cylindrical. Straw c. Rubber d. Copper 12. So, each division is called a degree. Answer:-10°C to 110°C. 0000001592 00000 n Question 1. (ii) Both have a bulb at one end. 123 28 Students discuss reading room temperature with a partner. A laboratory thermometer, which is colloquially known as the lab thermometer, is used for measuring temperatures other than the human body temperature. Wool b. It is developed for measuring the human body temperature. 0000004791 00000 n 2. 0000002572 00000 n Question 3. 7. 0000003717 00000 n 0000001676 00000 n Reply. 0000005359 00000 n 0000000856 00000 n 0000003939 00000 n It allows us to find the meaning behind everything and helps improve lives in a massive way. October 16, 2020 at 9:42 AM not a good information i need more information. In fluids, heat transfer takes place primarily due to a. Conduction b. Convection c. Radiation d. None 11. February 17, 2016 at 7:26 AM this will be great reading material for my class! You can use a laboratory thermometer for checking the temperature … Students will be able to correctly read a thermometer. 0000003471 00000 n ammarah. 6 thoughts on “Laboratory thermometer” Anonymous. Laboratory thermometers are designed for lab purposes such as checking boiling point, freezing point, or temperature of other substances. x�b```�5���� cc`a����Ѐf��� �",��>Ma6q���m��� ��q^����'�%�c�3D&f0~iZ�T��o�e�% �. 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 Fill in the blanks ... laboratory thermometer. It ranges from -10˚C to 110˚C. The thermometer is represented with a diagram as well to aid students in recognising this device to measure body temperature.
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