{"id":3822,"date":"2023-01-09T10:36:33","date_gmt":"2023-01-09T10:36:33","guid":{"rendered":"https:\/\/7thclass.deltapublications.in\/?page_id=3822"},"modified":"2025-08-21T11:29:04","modified_gmt":"2025-08-21T11:29:04","slug":"s-4-b-measuring-temperature","status":"publish","type":"page","link":"https:\/\/7thclass.deltapublications.in\/index.php\/s-4-b-measuring-temperature\/","title":{"rendered":"S-4.b Measuring Temperature"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Measuring Temperature<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div style=\"position: relative; width: 100%; height: 0; padding-top: 56.2500%;\n padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden;\n border-radius: 8px; will-change: transform;\">\n  <iframe loading=\"lazy\" style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;\"\n    src=\"https:\/\/www.canva.com\/design\/DAF-pUzLtvA\/t6TE5PMkeEIR15pESwlgXQ\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF-pUzLtvA&#x2F;t6TE5PMkeEIR15pESwlgXQ&#x2F;watch?utm_content=DAF-pUzLtvA&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">measuring temperature<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\"><strong>Key Notes :<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>What is Temperature?<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"351\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-38.png\" alt=\"\" class=\"wp-image-14779\" style=\"aspect-ratio:1.4586894586894588;width:387px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-38.png 512w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-38-300x206.png 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Temperature is a measure of how hot or cold an object or environment is.<\/li>\n\n\n\n<li>It indicates the average kinetic energy of the particles in a substance.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Units of Temperature Measurement<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Temperature is commonly measured in degrees Celsius (\u00b0C), Fahrenheit (\u00b0F), and Kelvin (K).<\/li>\n\n\n\n<li><strong>Celsius<\/strong>: Used in most countries and in scientific contexts.<\/li>\n\n\n\n<li><strong>Fahrenheit<\/strong>: Used mainly in the United States.<\/li>\n\n\n\n<li><strong>Kelvin<\/strong>: Used in scientific research. Absolute zero (0 K) is the point where all molecular motion stops.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Thermometers<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-39.png\" alt=\"\" class=\"wp-image-14780\" style=\"aspect-ratio:1;width:330px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-39.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-39-150x150.png 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>A thermometer is an instrument used to measure temperature.<\/li>\n\n\n\n<li>Common types:\n<ul class=\"wp-block-list\">\n<li><strong>Mercury Thermometer<\/strong>: Uses mercury in a glass tube.<\/li>\n\n\n\n<li><strong>Alcohol Thermometer<\/strong>: Uses colored alcohol.<\/li>\n\n\n\n<li><strong>Digital Thermometer<\/strong>: Uses electronic sensors for precise readings.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Thermometers work on the principle that liquids expand when heated and contract when cooled.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>How to Read a Thermometer<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Ensure the thermometer is clean and properly calibrated.<\/li>\n\n\n\n<li>Place it in the area or substance you want to measure.<\/li>\n\n\n\n<li>Wait for the reading to stabilize before taking the measurement.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Scales of Temperature<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"338\" height=\"344\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-40.png\" alt=\"\" class=\"wp-image-14784\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-40.png 338w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-40-295x300.png 295w\" sizes=\"auto, (max-width: 338px) 100vw, 338px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Celsius Scale<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Water freezes at 0\u00b0C and boils at 100\u00b0C (at standard atmospheric pressure).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Fahrenheit Scale<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Water freezes at 32\u00b0F and boils at 212\u00b0F.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Kelvin Scale<\/strong>:\n<ul class=\"wp-block-list\">\n<li>0 K (absolute zero) is the lowest possible temperature.<\/li>\n\n\n\n<li>Water freezes at 273 K and boils at 373 K.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Conversions Between Temperature Scales<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Celsius to Fahrenheit<\/strong>: F = (C \u00d7 9\/5) + 32<\/li>\n\n\n\n<li><strong>Fahrenheit to Celsius<\/strong>: C = (F \u2212 32) \u00d7 5\/9<\/li>\n\n\n\n<li><strong>Celsius to Kelvin<\/strong>: K = C + 273 . 15<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Measuring Body Temperature<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"400\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-41.png\" alt=\"\" class=\"wp-image-14785\" style=\"aspect-ratio:2.3;width:547px;height:auto\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-41.png 920w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-41-300x130.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-41-768x334.png 768w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Normal body temperature is approximately 37\u00b0C (98.6\u00b0F).<\/li>\n\n\n\n<li>Digital thermometers are commonly used for accurate body temperature measurements.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Uses of Temperature Measurement<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>In everyday life: Cooking, checking the weather, measuring body temperature.<\/li>\n\n\n\n<li>In industries: Controlling manufacturing processes, scientific research, and experiments.<\/li>\n\n\n\n<li>In medicine: Diagnosing fevers and illnesses.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Precautions While Using Thermometers<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Handle glass thermometers with care as they can break.<\/li>\n\n\n\n<li>Avoid direct exposure of thermometers to flames or very high temperatures.<\/li>\n\n\n\n<li>Always clean the thermometer after use.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#000060\"><strong>Real-Life Examples of Temperature Measurement<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Weather stations use thermometers to monitor environmental temperatures.<\/li>\n\n\n\n<li>Thermostats are used to control the temperature in homes and appliances.<\/li>\n\n\n\n<li>Laboratories use specialized thermometers for experiments and research.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/75972\/801\/436\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-15.png\" alt=\"\" class=\"wp-image-5886\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-15.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-15-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-15-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-15-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/58936\/346\/178\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-12.png\" alt=\"\" class=\"wp-image-5887\" srcset=\"https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-12.png 500w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-12-300x300.png 300w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-12-150x150.png 150w, https:\/\/7thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-12-400x400.png 400w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Measuring Temperature measuring temperature by Delta publications Key Notes : What is Temperature? Units of Temperature Measurement Thermometers How to Read a Thermometer Scales of Temperature Conversions Between Temperature Scales Measuring Body Temperature Uses of Temperature Measurement Precautions While Using Thermometers Real-Life Examples of Temperature Measurement Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"footnotes":""},"class_list":["post-3822","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3822"}],"version-history":[{"count":23,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3822\/revisions"}],"predecessor-version":[{"id":16855,"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3822\/revisions\/16855"}],"wp:attachment":[{"href":"https:\/\/7thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}