{"id":5583,"date":"2026-02-23T18:20:54","date_gmt":"2026-02-23T18:20:54","guid":{"rendered":"https:\/\/escoladigital.madeira.gov.pt\/ebsscruz\/?p=5583"},"modified":"2026-02-24T18:21:54","modified_gmt":"2026-02-24T18:21:54","slug":"desafio-matematico-calcula-a-energia","status":"publish","type":"post","link":"https:\/\/escoladigital.madeira.gov.pt\/ebsscruz\/2026\/02\/23\/desafio-matematico-calcula-a-energia\/","title":{"rendered":"Desafio Matem\u00e1tico: Calcula a energia!"},"content":{"rendered":"\n<p>Depois de veres o epis\u00f3dio de Isto \u00e9 Matem\u00e1tica sobre f\u00f3rmulas, lan\u00e7amos-te uma miss\u00e3o: usar uma f\u00f3rmula para calcular a energia de um aparelho do dia a dia! <\/p>\n\n\n\n<p><img decoding=\"async\" height=\"16\" width=\"16\" alt=\"\ud83c\udfaf\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tb0\/1\/16\/1f3af.png\"> Desafio<\/p>\n\n\n\n<p>Usa a f\u00f3rmula:<\/p>\n\n\n\n<p>E = P \u00d7 t<\/p>\n\n\n\n<p>E = energia<\/p>\n\n\n\n<p>P = pot\u00eancia (W)<\/p>\n\n\n\n<p>t = tempo de utiliza\u00e7\u00e3o<\/p>\n\n\n\n<p><img decoding=\"async\" height=\"16\" width=\"16\" alt=\"\u2705\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t33\/1\/16\/2705.png\"> O que tens de fazer<\/p>\n\n\n\n<p><img decoding=\"async\" height=\"16\" width=\"16\" alt=\"1\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t7a\/1\/16\/31_20e3.png\"> Escolhe um aparelho (ex.: l\u00e2mpada, televis\u00e3o, secador, computador\u2026)<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"16\" width=\"16\" alt=\"2\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t99\/1\/16\/32_20e3.png\"> Descobre a pot\u00eancia (em W)<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"16\" width=\"16\" alt=\"3\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tb8\/1\/16\/33_20e3.png\"> Decide durante quanto tempo foi usado<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"16\" width=\"16\" alt=\"4\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/td7\/1\/16\/34_20e3.png\"> Faz o c\u00e1lculo da energia consumida<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"16\" width=\"16\" alt=\"5\ufe0f\u20e3\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/tf6\/1\/16\/35_20e3.png\"> Explica o resultado<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"16\" width=\"16\" alt=\"\ud83d\udca1\" src=\"https:\/\/static.xx.fbcdn.net\/images\/emoji.php\/v9\/t3c\/1\/16\/1f4a1.png\"> Exemplo<\/p>\n\n\n\n<p>Uma l\u00e2mpada de 10 W ligada durante 5 horas:<\/p>\n\n\n\n<p>E = 10 \u00d7 5 = 50 Wh<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"540\" src=\"https:\/\/escoladigital.madeira.gov.pt\/ebsscruz\/wp-content\/uploads\/sites\/6\/2026\/02\/image-12.png\" alt=\"\" class=\"wp-image-5584\" srcset=\"https:\/\/escoladigital.madeira.gov.pt\/ebsscruz\/wp-content\/uploads\/sites\/6\/2026\/02\/image-12.png 810w, https:\/\/escoladigital.madeira.gov.pt\/ebsscruz\/wp-content\/uploads\/sites\/6\/2026\/02\/image-12-300x200.png 300w, https:\/\/escoladigital.madeira.gov.pt\/ebsscruz\/wp-content\/uploads\/sites\/6\/2026\/02\/image-12-768x512.png 768w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Depois de veres o epis\u00f3dio de Isto \u00e9 Matem\u00e1tica sobre f\u00f3rmulas, lan\u00e7amos-te uma miss\u00e3o: usar uma f\u00f3rmula para calcular a [&hellip;]<\/p>\n","protected":false},"author":37,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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