Introducci贸n a la Luz (2023)

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Have an account?Login");}function exitFullscreen() {$("[aria-label='Unfullscreen']").trigger("click");$("body .w-chrome").css("z-index","0"); if (document.fullscreen) { document.exitFullscreen(); } else if (document.msExitFullscreen) { document.msExitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.webkitExitFullscreen) { document.webkitExitFullscreen(); }else {$(".w-chrome video")[0].webkitExitFullscreen();}}if( typeof window.referral_flow_enabled != "undefined" && window.referral_flow_enabled ){jQuery(".alternate-trial-signup-button").html("Last Step");}function ctavideo(video,second,time,q){if(time - second <1)if(document.getElementById("stoppingPoint").checked && (typeof isfree === "undefined" || (typeof isfree !== "undefined" && isfree==true))) {video.pause();if(q) document.getElementById("pop_q_"+second).style.display = "inline";document.getElementById("pop_"+second).style.display = "inline";}}function checkParentOrStudent() {var freeRole = (typeof gengen_data.user_data.cookies.freemium_test_role == "undefined") ? null : gengen_data.user_data.cookies.freemium_test_role;if ((freeRole == "parent" || freeRole == "student")) {return true;} else {return false;}}window._wq = window._wq || [];_wq.push({ id: "_all",onReady: function(video) {if (gengen_data.user_data.paid_user || gengen_get_cookie("free_trial_user_id") != "") { //teacher ad videovar adVideo = Wistia.api("u6y8jssyg0");var isTeacher = true;} else {var adVideo = Wistia.api("u6y8jssyg0"); //science kit advar isTeacher = false;}var quarterPlayed = Math.floor(video.duration() / 4), halfPlayed = Math.floor(video.duration() / 2), threeQuartersPlayed = quarterPlayed * 3;window.ggvideo = video;// In-video stepjQuery(".freemium-overlay .in-video .cta").on("click", function(event) {event.stopImmediatePropagation();if (window.lp_videos_popover && window.lp_videos_popover.current_video != "") {if (checkParentOrStudent() && gengen_get_cookie("adWatched") !== "1" && (gengen_get_cookie("freemium_test_watched") == "1" || gengen_get_cookie("freemium_test_watched") == "2")) { //play ad firstplayAd();} else { window.lp_videos_popover.play_current_video();}} else {if (checkParentOrStudent() && gengen_get_cookie("adWatched") !== "1" && (gengen_get_cookie("freemium_test_watched") == "1" || gengen_get_cookie("freemium_test_watched") == "2")) { //play ad firstplayAd();} else {var allVideos = Wistia.api.all();for (var i = 0; i < allVideos.length; i++) {if (overlay_variant != "undefined" && overlay_variant == "2") {allVideos[i].time(Math.trunc(window.restartVideoTime))allVideos[i].unmute();}allVideos[i].play();}}}if(gengen_get_cookie("freemium_test_watched") == "" || gengen_get_cookie("freemium_test_watched") == 0 || gengen_get_cookie("freemium_test_watched") == 1) {if(gengen_get_cookie("freemium_resurect") !== "yes" && typeof window.test_5_to_3_videos_active !== "undefined") {gengen_set_cookie("freemium_test_watched", 2, 365);} else {gengen_set_cookie("freemium_test_watched", 1, 365);}}$(".video-details-footer").css("display", "none");jQuery(".freemium-overlay .in-video").hide();jQuery(".freemium-overlay").hide();return false;});// Choose role step jQuery(".freemium-overlay .choose-role .buttons a").on("click", function() {if(jQuery(this).data("role") == "teacher") {$(".signFormModalSeq2").modal("show"); window.history.replaceState({}, null, "?teacher-click=true");setTimeout(function() {window.history.replaceState({}, null, "/videolessons/introduccion-a-la-luz/");}, 15000);return false; } if (jQuery(this).data("role") == "parent") {$(".signFormModalParent").modal("show");return false;} gengen_set_cookie("freemium_test_role", jQuery(this).data("role"), 365);if (checkParentOrStudent() && gengen_get_cookie("adWatched") !== "1" && (gengen_get_cookie("freemium_test_watched") == "1" || gengen_get_cookie("freemium_test_watched") == "2")) { //play ad firstjQuery(".freemium-overlay").css("display", "none");playAd();} else {jQuery(".freemium-overlay").fadeOut(200); video.play();} if (jQuery(".preview_badge").length) { jQuery(".preview_badge").hide(); } if (jQuery(".preview_unlock_access").length) { jQuery(".preview_unlock_access").hide(); } if(gengen_get_cookie("freemium_test_watched") == "" || gengen_get_cookie("freemium_test_watched") == 0 || gengen_get_cookie("freemium_test_watched") == 1) { if(gengen_get_cookie("freemium_resurect") !== "yes") {gengen_set_cookie("freemium_test_watched", 2, 365);console.log("stop2");} else {gengen_set_cookie("freemium_test_watched", 1, 365);}} return false; }); // Lessons left step jQuery(".freemium-overlay .lessons-left .play").on("click", function() {if (checkParentOrStudent() && gengen_get_cookie("adWatched") !== "1" && (gengen_get_cookie("freemium_test_watched") == "1" || gengen_get_cookie("freemium_test_watched") == "2")) { //play ad firstplayAd();} else {jQuery(".freemium-overlay").fadeOut(200);video.play();}var currentWatched = gengen_get_cookie("freemium_test_watched");var updatedWatched = (parseInt(currentWatched) + 1);gengen_set_cookie("freemium_test_watched", updatedWatched, 365);return false; });$(".preroll-ad-button").on("click", function(e) {adVideo.pause();$(".freemium-overlay").css("display", "none");$(".freemium-overlay--step").css("display", "none");$(".preroll-ad").css("display", "none");video.play();});function playAd() {adVideo.play();var isPaused = false;var number = 5; //5 second countdownvar timer = setInterval(function() {if (isPaused) {//do nothing} else if (number > 1) {number = number - 1;} else {if (isTeacher) {gengen_set_cookie("teacherAdWatched", 1, 30);} else {gengen_set_cookie("showBanner", 1, 7);gengen_set_cookie("adWatched", 1, 7);}jQuery("#skipAd").removeClass("disabled");jQuery("#skipAd").addClass("show");clearInterval(timer);}}, 1000);adVideo.bind("pause", function() {isPaused = true;});adVideo.bind("play", function() {isPaused = false;});adVideo.bind("end", function(t) {adVideo.pause();$(".freemium-overlay").css("display", "none");$(".freemium-overlay--step").css("display", "none");$(".preroll-ad").css("display", "none");video.play();});$(".preroll-ad").css("display", "block");$(".freemium-overlay").css("display", "none");$(".freemium-overlay--step").css("display", "none");return false;} // Login button functionalityjQuery(".loginBtn").click(function() {jQuery("body").addClass("popupActive");});var v= jQuery("video").get(0);var inplay=false;var isFreemium = false;var isShared = false;var queryString = window.location.search;var globalTotalWatchedSecs = 60;var totalWatchedSecs;var trackWistiaPlaysInHeap = function(video, percentage) {if(typeof window.heap !== "undefined") {/*console.log("trackWistiaPlaysInHeap");var reportingObject = {nameOfVideo: video.name(),percentageReached: percentage,duration: (video.duration() / 60).toFixed(2) + " minutes total"};window.heap.track("Wistia Video", reportingObject);*/}};var persistedPreviewSeconds = get_preview_status();//var isfree;setTimeout(function(){if(typeof isfree == "undefined") {isfree = false;}if(queryString.indexOf("shared") > 0 || queryString.indexOf("share-link") > 0) {isShared = true;}if(typeof gengen_data.user_data === "object") {if(typeof gengen_data.user_data.cookies !== "undefined") {if(gengen_data.user_data.cookies.freemium_resurect === "yes" || document.cookie.search("freemium_resurect=yes") > -1) {//isFreemium = true;}if(gengen_data.user_data.cookies.freetrialuserrolestudent === "1" || (gengen_data.user_data.cookies.freetrialuserroleparent === "1" && typeof gengen_data.user_data.cookies.freetrialuserroleparent_cc === "undefined")) {isFreemium = true;}}if(gengen_data.user_data.is_logged_in === true) {isFreemium = false;isfree = true;}}if(isFreemium === true && isShared === false && !$("body").hasClass("page-template-template-triald")) {isfree = false;exitFullscreen();jQuery(".freemium-overlay").show();jQuery(".freemium-overlay--step").hide();var userRole = (typeof gengen_data.user_data.cookies.freemium_test_role == "undefined") ? null : gengen_data.user_data.cookies.freemium_test_role;var totalVideosWatched = (typeof gengen_data.user_data.cookies.freemium_test_watched == "undefined") ? null : gengen_data.user_data.cookies.freemium_test_watched;if(userRole !== null && totalVideosWatched !== null && totalVideosWatched < 5 && totalVideosWatched > 0) {var lessonsLeftNumber = ( 5 - totalVideosWatched );var lessonsLeftWord = ( lessonsLeftNumber == 1 ) ? 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}function checkTrialStatus() {var userRole = (typeof gengen_data.user_data.cookies.freemium_test_role == "undefined") ? null : gengen_data.user_data.cookies.freemium_test_role;if (userRole == null && !gengen_data.user_data.is_logged_in && !gengen_data.user_data.paid_user && gengen_data.user_data.trial_status !== "1") {return true;} else {return false;}}if (typeof window.continuous_overlay != "undefined" && window.continuous_overlay == true) {if (checkTrialStatus()) {if (gengen_get_cookie("second_video") == "1") {$(".freemium-overlay").css("display", "block");$(".freemium-overlay--step").css("display", "none");$(".freemium-overlay--step.second-overlay").css("display", "block");window._wq = window._wq || [];window.freemium_resurect_test = false;var img = $("img.w-css-reset");$(".thumbnail-container .thumbnail").attr("srcset", img[0].srcset);var videoid = jQuery("#wistia-popover").data("wistiathisvideoid");_wq.push({ id: videoid, onReady: function(video) {video.pause();$(".second-overlay .pause-video-continue").on("click", function() {$(".freemium-overlay--step").css("display", "none");$(".freemium-overlay").css("display", "none");video.play();});}});} else {gengen_set_cookie("second_video", 1, 365);}}}if (typeof window.continuous_overlay_popup != "undefined" && window.continuous_overlay_popup == true) {if (checkTrialStatus()) {if (gengen_get_cookie("second_video") == "1") {window._wq = window._wq || [];window.freemium_resurect_test = false;var videoid = jQuery("#wistia-popover").data("wistiathisvideoid");_wq.push({ id: videoid, onReady: function(video) {console.log("hello");video.bind("play", function() {$(".freemium-overlay").css("display", "none");$(".freemium-overlay--step.alternate-trial-signup").css("display", "none");});video.bind("pause", function() {if (checkTrialStatus()) {$(".freemium-overlay").css("background", "none");$(".freemium-overlay").css("display", "block");$(".freemium-overlay--step").css("display", "none");$(".freemium-overlay--step.alternate-trial-signup").css("display", "block");if (video.time() >= 59) {$(".freemium-overlay--step.alternate-trial-signup .alternate-trial-signup-button").removeClass("continue-video");} else {$(".freemium-overlay--step.alternate-trial-signup .alternate-trial-signup-button").addClass("continue-video");}}});$(".alternate-trial-signup-button").click(function(ev){if ($(this).hasClass("continue-video")) {video.play();}});}});} else {gengen_set_cookie("second_video", 1, 365);}}}if (typeof window.preview_banner != "undefined" && window.preview_banner == true) {if (typeof window.remove_winning_tests != "undefined" && window.remove_winning_tests == "yes") {//do nothing} else {if (checkTrialStatus()) {window._wq = window._wq || [];window.freemium_resurect_test = false;var videoid = $("#wistia-popover").data("wistiathisvideoid");_wq.push({ id: videoid, onReady: function(video) {video.bind("play", function() {if (checkTrialStatus()) {$(".preview_badge").removeClass("active");$(".preview_banner").show();}});video.bind("pause", function() {$(".preview_badge").addClass("active");$(".preview_banner").hide();});}});$(".preview_banner .trigger-parent").on("click", function() {$(".create-account__form-role-btn[data-role='parent']").trigger("click");$(".create-account__form-role-btn[data-role='parent']").addClass("is-active");});$(".preview_banner .trigger-teacher").on("click", function() {$(".create-account__form-role-btn[data-role='teacher']").trigger("click");$(".create-account__form-role-btn[data-role='teacher']").addClass("is-active");});}}}function checkParentOrStudent() {var freeRole = (typeof gengen_data.user_data.cookies.freemium_test_role == "undefined") ? null : gengen_data.user_data.cookies.freemium_test_role;if ((freeRole == "parent" || freeRole == "student")) {return true;} else {return false;}}var videoid = jQuery("#wistia-popover").data("wistiathisvideoid");_wq.push({ id: videoid, onReady: function(video) {video.bind("end", function(t) {if (checkParentOrStudent()) {$(".freemium-overlay").css("background", "none");$(".freemium-overlay").css("display", "block");$(".freemium-overlay--step").css("display", "none");$(".freemium-overlay--step.kit-upsell").css("display", "block");}});}});jQuery("#closeOverlay").on("click", function() { $(".freemium-overlay").css("display", "none");$(".freemium-overlay--step").css("display", "none"); }); if(typeof gg_optimize_override_seconds_amount !== "undefined"){ totalWatchedSecs = gg_optimize_override_seconds_amount;} },1500);video.bind("secondchange", function(s) { jQuery("input#videocurrentstate").attr("value", s); if( typeof window.gg_player_overlay_update_seconds !== "undefined" ){ window.gg_player_overlay_update_seconds(s); } // Send usage events to Intercom if(typeof trackIntercomEvent !== "undefined") { if(video.secondsWatched() == 59) { trackIntercomEvent("watched a video by more than 60 seconds"); console.log("watched a video by more than 60 seconds"); } if(video.secondsWatched() == 119) { trackIntercomEvent("watched a video by more than 120 seconds"); console.log("watched a video by more than 120 seconds"); } } if(isFreemium === true) { if (video.secondsWatched() >= totalWatchedSecs) { var conversionsTracked = gengen_get_cookie("freemium_test_conversions");if( ! conversionsTracked ) {var userRole = gengen_get_cookie("freemium_test_role");window.jscd.conversions.freemium.triggered = true;if(userRole == "teacher") {pintrk("track", "signup");gtag("event", "conversion", {"send_to": "AW-942705868/JSOLCK6i2IABEMyZwsED"});gtag("event", "conversion", {"send_to": "AW-942705868/ZAH1CJOL1owBEMyZwsED"});if(typeof gengen_get_cookie != "undefined" && gengen_get_cookie("free_trial_user_id")) { fbq("track", "CompleteRegistration", {}, {eventID: gengen_get_cookie("free_trial_user_id"), "external_id": gengen_get_cookie("free_trial_user_id")}); } if(typeof saq != "undefined") { saq("conv","ihm4ho0OFQLf83UZRONN2z"); }twttr.conversion.trackPid("o34be", { tw_sale_amount: 0, tw_order_quantity: 0 });window.uetq.push("event", "conversion", {"event_category": "lead", "event_label": "freetrial", "event_value": "0"});ga("send", "pageview", "/videolessons/introduccion-a-la-luz/?free-trial=success&free-trial-role=teacher&freemium=true");window.history.replaceState({}, null, "?free-trial=success&free-trial-role=teacher");if(typeof teacherTrialKPIs != "undefined") {console.log("teacherTrialKPIs init");teacherTrialKPIs.init();}}if(userRole == "parent") {gtag("event", "conversion", {"send_to": "AW-942705868/8FGNCNKg1YwBEMyZwsED"});ga("send", "pageview", "/videolessons/introduccion-a-la-luz/?free-trial-role=parent");window.history.replaceState({}, null, "?free-trial-role=parent");}if(userRole == "student") {gtag("event", "conversion", {"send_to": "AW-942705868/gSPjCNmK7owBEMyZwsED"});ga("send", "pageview", "/videolessons/introduccion-a-la-luz/?free-trial=student");window.history.replaceState({}, null, "?free-trial=student");}if (!$("body").hasClass("page-template-template-triald")) {setTimeout(function() {window.history.replaceState({}, null, "/videolessons/introduccion-a-la-luz/");}, 15000);}gengen_set_cookie("freemium_test_conversions", 1, 365);} } } else { // NM (11/24/22): https://trello.com/c/Ok3Hk1JG/1199-free-trial-free-riders-issue-confirmed-by-customers /* if( document.cookie.search("wp_user_logged_in") !== -1) { window.isfree = true; } */if( typeof gengen_data !== "undefined" && gengen_data.user_data.is_logged_in && gengen_data.user_data.payment_status == "Paid" ) {window.isfree = true;} if (!window.isfree && video.secondsWatched() + persistedPreviewSeconds >= totalWatchedSecs) {if (typeof Videos_Popover !== "undefined" && window.lp_videos_popover instanceof Videos_Popover) {window.lp_videos_popover.add_watched(video);}var videoid = jQuery("#wistia-popover").data("wistiathisvideoid");var params = new URLSearchParams(window.location.search);var exclude = ["rka527f524", "8kr4gf4kxx", "niwrc4nc31"]; //email campaign giving free access to what is science videosvar skip = false;if (exclude.includes(videoid) && params.get("utm_campaign") == "welcome_back_2023") {return;}exitFullscreen();if (overlay_variant != "undefined" && overlay_variant == "2") {if (!jQuery("#wistia-popover .wistia_responsive_padding").hasClass("teaser")) {if ($(window).width() > 768) {window.restartVideoTime = video.time();console.log(window.restartVideoTime);video.play();jQuery("#wistia-popover .wistia_responsive_padding").css("opacity", 0);video.mute();setTimeout(function() {jQuery("#wistia-popover .wistia_responsive_padding").addClass("teaser");}, 50);setTimeout(function() {jQuery("#wistia-popover .wistia_responsive_padding").fadeTo(250, 1);}, 500);} else {video.pause();}}} else {video.pause();remaining = false;}if( window.alternate_invideo_flow ){openAlternateSignupForm();} else {jQuery("#popupActiveFree").show();}jQuery("li.trigger_signup_seq2").attr("data-invideo", "yes-" + totalWatchedSecs);gengen_log_invideo_popup({"instance": "1","isfree": window.isfree,"is_logged_in": gengen_data.user_data.is_logged_in,"logged_in_cookie": document.cookie.wp_user_logged_in,"user_id": gengen_data.user_data.user_id,"url": document.location.href,"secs": totalWatchedSecs});//hj("tagRecording", ["popupActiveFree"]);} }if (s === quarterPlayed){trackWistiaPlaysInHeap(video, 0.25);}if (s === halfPlayed){trackWistiaPlaysInHeap(video, 0.5);}if (s === threeQuartersPlayed){trackWistiaPlaysInHeap(video, 0.75);}// Teacher trial KPIs viewtime trackingif(typeof teacherTrialKPIs !== "undefined" && teacherTrialKPIs) {if(teacherTrialKPIs.isTeacherTrialUser()) {teacherTrialKPIs.updateViewtimeData();}}});video.bind("seek", function(currentTime, lastTime) { // NM (11/24/22): https://trello.com/c/Ok3Hk1JG/1199-free-trial-free-riders-issue-confirmed-by-customers /* if(document.cookie.search("wp_user_logged_in") !== -1) { window.isfree = true; } */if( typeof gengen_data !== "undefined" && gengen_data.user_data.is_logged_in && gengen_data.user_data.payment_status == "Paid" ) {window.isfree = true;} if ((!isFreemium && !window.isfree && !remaining) || (window.interrupt_video_cliffhanger === true && currentTime >= globalTotalWatchedSecs - 1)) {var videoid = jQuery("#wistia-popover").data("wistiathisvideoid");var params = new URLSearchParams(window.location.search);var exclude = ["rka527f524", "8kr4gf4kxx", "niwrc4nc31"]; //email campaign giving free access to what is science videosvar skip = false;if (exclude.includes(videoid) && params.get("utm_campaign") == "welcome_back_2023") {return;} exitFullscreen(); if( window.alternate_invideo_flow ){setTimeout(function() {video.pause();}, 300);openAlternateSignupForm();} else {jQuery("#popupActiveFree").show();} jQuery("li.trigger_signup_seq2").attr("data-invideo", "yes-" + totalWatchedSecs); gengen_log_invideo_popup({"instance": "2","isFreemium": isFreemium,"isfree": window.isfree,"remaining": remaining,"is_logged_in": gengen_data.user_data.is_logged_in,"logged_in_cookie": document.cookie.wp_user_logged_in,"user_id": gengen_data.user_data.user_id,"url": document.location.href,"secs": totalWatchedSecs }); //hj("tagRecording", ["popupActiveFree"]); }});async function addTeacherWatched() {try {var currentWatched = gengen_get_cookie("teacher_watched") || 0;var updatedWatched = (parseInt(currentWatched) + 1);gengen_set_cookie("teacher_watched", updatedWatched, 365);return updatedWatched; // this will be the resolved value of the returned promise} catch(e) {console.log(e);throw e; // let caller know the promise was rejected with this reason}}var firstPlay = true;video.bind("play", function() {trackWistiaPlaysInHeap(video, 0);// Teacher trial KPIs videos watched trackingif(typeof teacherTrialKPIs !== "undefined" && teacherTrialKPIs) {if(teacherTrialKPIs.isTeacherTrialUser()) {teacherTrialKPIs.sendVideosWatchedData();}}// NM (11/24/22): https://trello.com/c/Ok3Hk1JG/1199-free-trial-free-riders-issue-confirmed-by-customers/*if(document.cookie.search("wp_user_logged_in") !== -1) { window.isfree = true; } */if( typeof gengen_data !== "undefined" && gengen_data.user_data.is_logged_in && gengen_data.user_data.payment_status == "Paid" ) {window.isfree = true;}if (isTeacher && firstPlay && video._hashedId !== "u6y8jssyg0") {firstPlay = false;addTeacherWatched().then(result => {if (result > 3 && !gengen_get_cookie("teacherAdWatched")) { //reset count if teacherAdWatched not foundgengen_set_cookie("teacher_watched", "1", 365);}if(gengen_data.user_data.cookies.teacherAdWatched !== "1" && result == 3) {video.pause();playAd();}}).catch(err => {// got error});} if(!isFreemium && !window.isfree && !remaining) {var videoid = jQuery("#wistia-popover").data("wistiathisvideoid");var params = new URLSearchParams(window.location.search);var exclude = ["rka527f524", "8kr4gf4kxx", "niwrc4nc31"]; 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1:00 min of preview leftIntroducci贸n a la Luz (1)Create a free account for full accessIntroducci贸n a la Luz (2)

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LESSON MATERIALSGenerate Student Link

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Introducci贸n a la Luz

What you will learn from this videoWhat you will learn

  • Solo podemos ver las cosas cuando la luz las ilumina o cuando emiten su propia luz.
  • La luz puede atravesar objetos transparentes.
  • La luz no puede atravesar objetos opacos.
  • Discussion Questions
  • Vocabulary
  • Reading Material
  • Gu铆a de actividades de manualidades
  • Plan de estudios
  • Gu铆a para el maestro
  • Assessment

    Online Quiz GameQuiz PDFExit Ticket

FAQs

驴Qu茅 es la luz introduccion? 鈥

INTRODUCCI脫N. La luz es una forma de onda electromagn茅tica, por lo que posee las propiedades f铆sicas de 茅sta: es irradiada a partir de una fuente luminosa (sol, l谩mpara artificial, etc.), es capaz de salvar el vac铆o, se desplaza en forma de ondas de forma rectil铆nea a una velocidad de 300.000 km/seg.

驴Qu茅 es la luz un resumen? 鈥

La luz es, pues, radiaci贸n electromagn茅tica (EM), fluctuaciones de campos el茅ctricos y magn茅ticos en la naturaleza. Concretamente, la luz es energ铆a y el fen贸meno del color es un producto de la interacci贸n de la energ铆a y la materia.

驴C贸mo explicar que es la luz? 鈥

La luz es una emisi贸n ondulatoria y corpuscular de fotones, es decir, al mismo tiempo se comporta como si estuviera hecha de ondas y de materia. Se desplaza siempre en l铆nea recta, a una velocidad definida y constante.

驴Qu茅 es la luz conclusion? 鈥

La luz es lo que detecta el sentido de la vista. Solo vemos cuando entra luz en los ojos. Hay cuerpos que producen luz y otros que no la producen. La luz camina en l铆nea recta.

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