<?xml version="1.0" encoding="UTF-8"?>
<quiz>
 <!-- categoryid: 1669 -->
 <question type="category"><category><text>2º ESO/WAVES/SOUND</text></category></question>
 
 <!-- resourceid-resourcedataid: 18250-15058 -->
 <question type="multichoice">
    <name>
      <text>A sound wave's amplitude determines:</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>A sound wave's amplitude determines:</span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text><![CDATA[<p>Respuesta correcta</p>]]></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta parcialmente correcta.</p>]]></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta incorrecta.</p>]]></text>
    </incorrectfeedback>
    <shownumcorrect></shownumcorrect>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p><span>How high the pitch is</span></p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text><![CDATA[<p><span>How loud the sound is</span></p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p>How high the tone is</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p>None is correct</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18251-15059 -->
 <question type="multichoice">
    <name>
      <text>An astronaut picks up a stone from the moon and throws it hard against another stone. He doesn't hear any sound. Why not?</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p>An astronaut picks up a stone from the moon and throws it hard against another stone. He doesn't hear any sound. Why not?</p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text><![CDATA[<p>Respuesta correcta</p>]]></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta parcialmente correcta.</p>]]></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta incorrecta.</p>]]></text>
    </incorrectfeedback>
    <shownumcorrect></shownumcorrect>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p>Because your ears don't work on the moon</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text><![CDATA[<p>Because there is no air on the moon and so the sound cannot travel</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p><label for="answer_6_2">Because rocks are soft and squashy on the moon</label></p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p>Because there is no gravity</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18252-15060 -->
 <question type="multichoice">
    <name>
      <text>Eco</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p>Marca las características del eco de un sonido:</p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>false</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="-33.33333" format="html">
      <text>Necesita un obstáculo que refleje el sonido a menos de 17 metros</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text>Necesita un obstáculo que refleje el sonido a más de 17 metros</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>El sonido emitido y reflejado no se pueden diferenciar. Interfieren</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text>El sonido emitido y reflejado se pueden diferenciar. No interfieren</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Es típica de recintos con paredes que absorben  el sonido</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18253-15061 -->
 <question type="multichoice">
    <name>
      <text>If a sound is high-pitched and soft, the sound wave is:</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span>If a sound is high-pitched and soft, the sound wave is:</span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>false</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text><![CDATA[<p>Respuesta correcta</p>]]></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta parcialmente correcta.</p>]]></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta incorrecta.</p>]]></text>
    </incorrectfeedback>
    <shownumcorrect></shownumcorrect>
    <answer fraction="50" format="html">
      <text><![CDATA[<p>High frequency</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-50" format="html">
      <text><![CDATA[<p>Low frequency</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-50" format="html">
      <text><![CDATA[<p>High amplitude</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text><![CDATA[<p>Low amplitude</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18254-15062 -->
 <question type="multichoice">
    <name>
      <text>If a sound is low pitched and loud, the sound wave is:</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span><span><span>If a sound is low pitched and loud, the sound wave is:</span></span></span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>false</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text><![CDATA[<p>Respuesta correcta</p>]]></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta parcialmente correcta.</p>]]></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta incorrecta.</p>]]></text>
    </incorrectfeedback>
    <shownumcorrect></shownumcorrect>
    <answer fraction="-50" format="html">
      <text><![CDATA[<p>High frequency</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text><![CDATA[<p>Low frequency</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text><![CDATA[<p>High amplitude</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-50" format="html">
      <text><![CDATA[<p>Low amplitude</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18255-15063 -->
 <question type="multichoice">
    <name>
      <text>If a sound is low pitched and quiet, the sound wave is:</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span><span>If a sound is low pitched and quiet, the sound wave is:</span></span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>false</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text><![CDATA[<p>Respuesta correcta</p>]]></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta parcialmente correcta.</p>]]></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta incorrecta.</p>]]></text>
    </incorrectfeedback>
    <shownumcorrect></shownumcorrect>
    <answer fraction="-50" format="html">
      <text><![CDATA[<p>High frequency</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text><![CDATA[<p>Low frequency</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-50" format="html">
      <text><![CDATA[<p>High amplitude</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text><![CDATA[<p>Low amplitude</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18256-15064 -->
 <question type="multichoice">
    <name>
      <text>Reverberación</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p>Marca las características de la reverberación de un sonido:</p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>false</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="50" format="html">
      <text>Necesita un obstáculo que refleje el sonido a menos de 17 metros</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Necesita un obstáculo que refleje el sonido a más de 17 metros</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text>El sonido emitido y reflejado no se pueden diferenciar. Interfieren</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>El sonido emitido y reflejado se pueden diferenciar. No interfieren</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Es típica de recintos con paredes que absorben  el sonido</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18257-15065 -->
 <question type="multichoice">
    <name>
      <text>Sonido del Sol</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p>No oimos el ruido que provocan las explosiones en el Sol porque:</p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="100" format="html">
      <text>Entre el Sol y La Tierra no hay materia.</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>El Sol está muy lejos de la Tierra</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>La atmósfera amortigua el sonido</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>Ninguna de las otras razones </text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text>El Sol solo emite luz no sonido</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18258-15066 -->
 <question type="multichoice">
    <name>
      <text>Sound cannot travel through _____________</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p><span style="background-color: #ffffff;"><span style="font-size: medium;"><span style="line-height: normal;">Sound connot travel through _____</span></span></span></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text><![CDATA[<p>Respuesta correcta</p>]]></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta parcialmente correcta.</p>]]></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text><![CDATA[<p>Respuesta incorrecta.</p>]]></text>
    </incorrectfeedback>
    <shownumcorrect></shownumcorrect>
    <answer fraction="100" format="html">
      <text><![CDATA[<p>Vacuum</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p>Elevators</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p>Gases</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-33.33333" format="html">
      <text><![CDATA[<p>Liquids</p>]]></text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 18259-15067 -->
 <question type="multichoice">
    <name>
      <text>Timbre</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<p>El timbre de un sonido nos permite (marca las respuestas correctas):</p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.1000000</penalty>
    <hidden>0</hidden>
    <single>false</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="-33.33333" format="html">
      <text>Distinguir las notas musicales</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-50" format="html">
      <text>El timbre es una vibración contínua y llamativa</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text>Distinguir el tipo de emisor de un sonido</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="-50" format="html">
      <text>Cuanto mayor sea el timbre menor es el eco</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
    <answer fraction="50" format="html">
      <text>Está formado por las irregularidades en la onda de sonido</text>
      <feedback format="html">
        <text></text>
      </feedback>
    </answer>
  </question>
 </quiz>
