{"id":3847,"date":"2023-01-09T10:31:39","date_gmt":"2023-01-09T10:31:39","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=3847"},"modified":"2025-08-21T12:04:52","modified_gmt":"2025-08-21T12:04:52","slug":"s-3-e-plastics-as-materials-of-choice","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-3-e-plastics-as-materials-of-choice\/","title":{"rendered":"s-3.e Plastics As Materials Of Choice"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Plastics As Materials Of Choice<\/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 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\/DAF4DptIHxc\/atZu1A0tGNzclJj0zV0Yrg\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF4DptIHxc&#x2F;atZu1A0tGNzclJj0zV0Yrg&#x2F;watch?utm_content=DAF4DptIHxc&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">plastic as material of choice<\/a> by Delta publications\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-869a5c0b6b78055316c8d0186252dcbd\" style=\"color:#74008b\"><strong>key notes :<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-5bb3f1cdc0fa5b8a9847726067dacafe\" style=\"color:#000060\"><strong>Definition of Plastics<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Plastics are synthetic or semi-synthetic materials made from polymers.<\/li>\n\n\n\n<li>They are derived mainly from petrochemicals.<\/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-link-color has-large-font-size wp-elements-a453ae2ad62ddd3328b3fb5f17ada21e\" style=\"color:#000060\"><strong>Types of Plastics<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Thermoplastics<\/strong>: Can be reshaped upon heating (e.g., PVC, polyethylene).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"564\" height=\"376\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-99.png\" alt=\"\" class=\"wp-image-18744\" style=\"width:360px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-99.png 564w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-99-300x200.png 300w\" sizes=\"auto, (max-width: 564px) 100vw, 564px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Thermosetting Plastics<\/strong>: Cannot be reshaped once hardened (e.g., Bakelite, melamine).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"361\" height=\"236\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-100.png\" alt=\"\" class=\"wp-image-18745\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-100.png 361w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-100-300x196.png 300w\" sizes=\"auto, (max-width: 361px) 100vw, 361px\" \/><\/figure><\/div>\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-link-color has-large-font-size wp-elements-2df7929e811ea8e741c7fbc037285223\" style=\"color:#000060\"><strong>Properties of Plastics<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Lightweight and durable.<\/li>\n\n\n\n<li>Resistant to water, corrosion, and chemicals.<\/li>\n\n\n\n<li>Insulators of heat and electricity.<\/li>\n\n\n\n<li>Easy to mold into different shapes and sizes.<\/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-link-color has-large-font-size wp-elements-93af3c5c9c7fd9fa0bafaa3fc61c0a75\" style=\"color:#000060\"><strong>Uses of Plastics<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"554\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-102-1024x554.png\" alt=\"\" class=\"wp-image-18747\" style=\"width:464px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-102-1024x554.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-102-300x162.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-102-768x415.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-102.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Household<\/strong>: Packaging, utensils, furniture.<\/li>\n\n\n\n<li><strong>Industrial<\/strong>: Pipes, automobile parts, electrical appliances.<\/li>\n\n\n\n<li><strong>Medical<\/strong>: Syringes, prosthetics, and surgical equipment.<\/li>\n\n\n\n<li><strong>Environmentally Engineered Uses<\/strong>: Synthetic fibers, waterproof clothing.<\/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-link-color has-large-font-size wp-elements-b6b2e59b0b1c3ab78e4a6853a6f01652\" style=\"color:#000060\"><strong>Advantages of Plastics<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Cost-effective compared to metals and glass.<\/li>\n\n\n\n<li>Versatile in application.<\/li>\n\n\n\n<li>Non-reactive to most chemicals.<\/li>\n\n\n\n<li>Reduces dependency on natural resources like wood and metal.<\/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-link-color has-large-font-size wp-elements-44299d72c38aa7f0d22dcf33a1657ef2\" style=\"color:#000060\"><strong>Disadvantages of Plastics<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"662\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-104-1024x662.png\" alt=\"\" class=\"wp-image-18749\" style=\"width:499px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-104-1024x662.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-104-300x194.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-104-768x497.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-104-1536x994.png 1536w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-104-1568x1014.png 1568w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-104.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Non-biodegradable and persist in the environment for years.<\/li>\n\n\n\n<li>Can release toxic gases if burned.<\/li>\n\n\n\n<li>Cause pollution and harm to wildlife when not disposed of properly.<\/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-link-color has-large-font-size wp-elements-9f393b78aa615f699943ef540af41e25\" style=\"color:#000060\"><strong>Plastics and the Environment<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"960\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-106.png\" alt=\"\" class=\"wp-image-18751\" style=\"width:284px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-106.png 960w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-106-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-106-150x150.png 150w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-106-768x768.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-106-400x400.png 400w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Pollution<\/strong>: Accumulation in oceans and landfills leads to environmental issues.<\/li>\n\n\n\n<li><strong>Recycling<\/strong>: Effective reuse can minimize environmental impact.<\/li>\n\n\n\n<li><strong>Bioplastics<\/strong>: Developed as eco-friendly alternatives.<\/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-link-color has-large-font-size wp-elements-5145dad783306f4bf1ddc2a199dc26a1\" style=\"color:#000060\"><strong>Plastics as a Material of Choice<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Preferred due to their unique properties and widespread utility.<\/li>\n\n\n\n<li>Often replace traditional materials like metal, glass, and wood in various applications.<\/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-link-color has-large-font-size wp-elements-d0e19bd2d2c2838521257e2823fecc32\" style=\"color:#000060\"><strong>Responsible Use of Plastics<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"275\" height=\"183\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/11\/image-107.png\" alt=\"\" class=\"wp-image-18752\"\/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Reduce<\/strong>: Limit the use of disposable plastics.<\/li>\n\n\n\n<li><strong>Reuse<\/strong>: Encourage reusing plastic items.<\/li>\n\n\n\n<li><strong>Recycle<\/strong>: Segregate waste and support recycling initiatives.<\/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-link-color has-large-font-size wp-elements-2671b2a4f6d39a3be45a0cbf34f2da8b\" style=\"color:#000060\"><strong>Future Perspectives<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Increased focus on sustainable plastics.<\/li>\n\n\n\n<li>Innovations in biodegradable and eco-friendly plastic production.<\/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\/75919\/162\/153\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-57.png\" alt=\"\" class=\"wp-image-7601\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-57.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-57-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-57-150x150.png 150w\" 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\/58905\/408\/426\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-56.png\" alt=\"\" class=\"wp-image-7602\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-56.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-56-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-56-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Plastics As Materials Of Choice plastic as material of choice by Delta publications key notes : Definition of Plastics: Types of Plastics: Properties of Plastics: Uses of Plastics: Advantages of Plastics: Disadvantages of Plastics: Plastics and the Environment: Plastics as a Material of Choice: Responsible Use of Plastics: Future Perspectives: 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,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3847","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3847","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3847"}],"version-history":[{"count":22,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3847\/revisions"}],"predecessor-version":[{"id":21317,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3847\/revisions\/21317"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}