{"id":416,"date":"2023-09-25T14:19:08","date_gmt":"2023-09-25T14:19:08","guid":{"rendered":"http:\/\/localhost\/ecole9ja\/?p=416"},"modified":"2023-09-25T14:21:27","modified_gmt":"2023-09-25T14:21:27","slug":"week-7-and-8-jss-1-second-term-basic-science-lesson-notes","status":"publish","type":"post","link":"https:\/\/ecolebooks.com\/nigeria\/posts\/week-7-and-8-jss-1-second-term-basic-science-lesson-notes\/","title":{"rendered":"Week 7 and 8 &#8211; Jss 1 Second Term Basic Science Lesson Notes"},"content":{"rendered":"<p>\u00a0<strong>WEEKS SEVEN AND EIGHT<br \/>\n<\/strong><strong>ENERGY<br \/>\n<\/strong><\/p>\n<ul>\n<li>Meaning of Energy\n<\/li>\n<li>Sources of Energy\n<\/li>\n<li>Forms of Energy\n<\/li>\n<li>Transformation of Energy\n<\/li>\n<li>Uses of Energy\n<\/li>\n<\/ul>\n<p>\u00a0<strong>Meaning of Energy<br \/>\n<\/strong>Energy is defined as the ability or capacity to do work. The unit of energy is Joules (J)<br \/>\n<strong>Sources of Energy<br \/>\n<\/strong>There are two main sources of energy, the natural and the artificial sources of energy.<\/p>\n<ol>\n<li>\n<div>The natural sources of energy are:\n<\/div>\n<ol>\n<li>Sun\n<\/li>\n<li>Food\n<\/li>\n<li>Natural gas\n<\/li>\n<li>Coal\n<\/li>\n<li>Wind\n<\/li>\n<li>Crude oil\n<\/li>\n<li>Wood\n<\/li>\n<li>Water\n<\/li>\n<\/ol>\n<\/li>\n<li>\n<div>The artificial sources of energy are:\n<\/div>\n<ol>\n<li>Batteries\n<\/li>\n<li>Electrical generator\n<\/li>\n<li>Petroleum products (e.g. diesel, kerosene etc.)\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><strong>Forms of Energy<br \/>\n<\/strong><\/p>\n<ol>\n<li>Light energy\n<\/li>\n<li>Sound energy\n<\/li>\n<li>Heat energy\n<\/li>\n<li>Chemical energy\n<\/li>\n<li>Electrical energy\n<\/li>\n<li>Mechanical energy (potential and kinetic energy)\n<\/li>\n<\/ol>\n<p><strong>Transformation of Energy<br \/>\n<\/strong>Energy can be converted or transformed from one form to another. This is governed by the law of conservation of energy. The law of conservation of energy states that, energy can neither be created nor destroyed but can be converted from one form to the other.<br \/>\nExamples of energy conversion includes<\/p>\n<ol>\n<li>Electrical energy to heat energy \u2013 pressing iron, boiling ring, etc.\n<\/li>\n<li>Electrical energy to light energy \u2013 bulb, television, etc.\n<\/li>\n<li>Chemical to electrical energy \u2013 battery, etc.\n<\/li>\n<li>Electrical to kinetic energy \u2013 fan,\n<\/li>\n<li>Electrical to sound energy \u2013 electric bell, telephone ear piece, etc.\n<\/li>\n<li>Mechanical to light energy \u2013 bicycle dynamo\n<\/li>\n<li> Sound to electrical energy to sound energy \u2013 telephone\n<\/li>\n<\/ol>\n<p><strong>Uses of Energy<br \/>\n<\/strong>The following are some of the uses of energy<\/p>\n<ol>\n<li>Walking\n<\/li>\n<li>Cooking\n<\/li>\n<li>Playing\n<\/li>\n<li>Operating appliances\n<\/li>\n<li>Running\n<\/li>\n<li>Household work\n<\/li>\n<\/ol>\n<p>\u00a0<strong>CLASSWORK 7&amp;8<\/strong><\/p>\n<ol>\n<li>Define energy?\n<\/li>\n<li>Mention five forms of energy\n<\/li>\n<\/ol>\n<p><strong>ASSIGNMENT 7&amp;8<br \/>\n<\/strong><strong>SECTION A<br \/>\n<\/strong><\/p>\n<ol>\n<li>The energy conversion in phone is \u2026.. (a) sound \u2013 electrical \u2013 sound (b) electrical \u2013 sound \u2013 sound (c) sound \u2013 electrical \u2013 electrical (d) electrical \u2013 electrical \u2013 sound\n<\/li>\n<li>The bicycle dynamo converts \u2026.. energy to \u2026.. energy (a) electrical \u2013 chemical (b) electrical \u2013 light (c) light \u2013 mechanical (d) mechanical \u2013 light\n<\/li>\n<li>Energy is the \u2026\u2026.. to do work  (a) power (b) ability (c) vision (d) hope\n<\/li>\n<li>The following are artificial sources of energy except \u2026.. (a) wood (b) batteries (c) electrical generator (d) petroleum product\n<\/li>\n<li>The foods we eat contain which form energy? (a) chemical energy (b) mechanical energy (c) kinetic energy (d) potential energy\n<\/li>\n<\/ol>\n<p><strong>SECTION B<br \/>\n<\/strong><\/p>\n<ol>\n<li> State the law of conservation of energy\n<\/li>\n<li>Highlight four uses of energy\n<\/li>\n<li>Mention four devices and the energy conversion in their usage\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0WEEKS SEVEN AND EIGHT ENERGY Meaning of Energy Sources of Energy Forms of Energy Transformation&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,67],"tags":[],"class_list":["post-416","post","type-post","status-publish","format-standard","hentry","category-posts","category-second-term-jss1-basic-science"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/comments?post=416"}],"version-history":[{"count":1,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/416\/revisions"}],"predecessor-version":[{"id":417,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/posts\/416\/revisions\/417"}],"wp:attachment":[{"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/media?parent=416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/categories?post=416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecolebooks.com\/nigeria\/wp-json\/wp\/v2\/tags?post=416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}