<?xml version="1.0" encoding="UTF-8"?>
<otrunk id="874b8410-3938-012a-b543-0017f2cc694e">
  <imports>
    <import class="org.concord.data.state.OTDataChannelDescription" />
    <import class="org.concord.data.state.OTDataStore" />
    <import class="org.concord.data.state.OTDataTable" />
    <import class="org.concord.framework.otrunk.view.OTFrame" />
    <import class="org.concord.framework.otrunk.wrapper.OTObjectSet" />
    <import class="org.concord.otrunk.OTSystem" />
    <import class="org.concord.otrunk.ui.OTText" />
    <import class="org.concord.otrunk.ui.OTLayerContainer" />
    <import class="org.concord.otrunk.ui.OTTextPane" />
    <import class="org.concord.otrunk.ui.OTPlacementContainer" />
    <import class="org.concord.otrunk.ui.OTPlacement" />
    <import class="org.concord.otrunk.ui.OTChoice" />
    <import class="org.concord.otrunk.ui.OTChoiceMultiple" />
    <import class="org.concord.otrunk.ui.question.OTQuestion" />
    <import class="org.concord.otrunk.ui.OTImage" />
    <import class="org.concord.otrunk.ui.OTButton" />
    <import class="org.concord.otrunk.ui.OTLayerContainer" />
    <import class="org.concord.otrunk.ui.swing.OTChoiceViewConfig" />
    <import class="org.concord.otrunk.view.document.OTDocumentViewConfig" />
    <import class="org.concord.otrunk.view.OTViewEntry" />
    <import class="org.concord.otrunk.view.OTViewBundle" />
    <import class="org.concord.otrunk.view.document.OTCompoundDoc" />
    <import class="org.concord.otrunk.view.document.OTTextObject" />
    <import class="org.concord.otrunk.script.OTScriptEngineBundle" />
    <import class="org.concord.otrunk.script.OTScriptEngineEntry" />
    <import class="org.concord.otrunk.script.ui.OTScriptObject" />
    <import class="org.concord.otrunk.script.ui.OTScriptVariable" />
    <import class="org.concord.otrunk.script.js.OTJavascript" />
    <import class="org.concord.otrunkmw.OTModelerPage" />
    <import class="org.concord.otrunk.user.OTWorkgroupMemberChooser" />
  </imports>
  <objects>
    <OTSystem>
      <bundles>
        <OTViewBundle showLeftPanel="false">
          <views>
            <OTViewEntry objectClass="org.concord.otrunk.user.OTWorkgroupMemberChooser" viewClass="org.concord.otrunk.ui.swing.OTWorkgroupMemberChooserView" />
            <OTViewEntry objectClass="org.concord.data.state.OTDataTable" viewClass="org.concord.data.state.OTDataTableView" />
            <OTViewEntry objectClass="org.concord.otrunk.view.document.OTDocument" viewClass="org.concord.otrunk.view.document.OTDocumentView" />
            <OTChoiceViewConfig objectClass="org.concord.otrunk.ui.OTChoice" viewClass="org.concord.otrunk.ui.swing.OTChoiceCheckBoxView" useViewsAsChoices="true" />
            <OTViewEntry objectClass="org.concord.otrunk.ui.OTLayerContainer" viewClass="org.concord.otrunk.ui.swing.OTLayerContainerView" />
            <OTViewEntry objectClass="org.concord.otrunk.ui.OTButton" viewClass="org.concord.otrunk.ui.swing.OTButtonView" />
            <OTViewEntry objectClass="org.concord.otrunk.script.ui.OTScriptObject" viewClass="org.concord.otrunk.script.ui.OTScriptObjectView" />
            <OTViewEntry objectClass="org.concord.otrunkmw.OTModelerPage" viewClass="org.concord.otrunkmw.OTModelerPageView" />
          </views>
          <frame>
            <OTFrame width="800" height="600" />
          </frame>
        </OTViewBundle>
        <OTScriptEngineBundle>
          <engines>
            <OTScriptEngineEntry objectClass="org.concord.otrunk.script.js.OTJavascript" engineClass="org.concord.otrunk.script.js.OTJavascriptEngine" />
          </engines>
        </OTScriptEngineBundle>
      </bundles>
      <root>
        <OTLayerContainer>
          <layers>
            <OTModelerPage local_id="mwpage" authoredDataURL="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/index.cml">
              <variables />
              <questions>
                <OTQuestion id="f0e8cceb-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page1.cml">
                  <prompt>
                    <OTText id="f0ea538c-0091-11de-906e-d383519b8d14" text="Take a snapshot when the model represents a solution (all molecules uniformly distributed) and place it below." />
                  </prompt>
                  <input>
                    <OTImage id="f0eaefcd-0091-11de-906e-d383519b8d14" />
                  </input>
                </OTQuestion>
                <OTQuestion id="f0ec013e-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page1.cml">
                  <prompt>
                    <OTText id="f0ec013f-0091-11de-906e-d383519b8d14" text="Consider the mixtures listed. According to your every day experience, which would meet the definition of &quot;solution&quot; given above, after they are allowed to settle? (Check all that apply.)" />
                  </prompt>
                  <input>
                    <OTChoice id="f0ec0140-0091-11de-906e-d383519b8d14" selectionUI="1">
                      <choices>
                        <OTText text="A teaspoon of sand stirred into a cup of water." />
                        <OTText id="f0ecc492-0091-11de-906e-d383519b8d14" text="A teaspoon of salt stirred into a cup of water." />
                        <OTText text="A teaspoon of oil stirred into a cup of water." />
                        <OTText id="f0ecc494-0091-11de-906e-d383519b8d14" text="A teaspoon of sugar stirred into a cup of water." />
                      </choices>
                    </OTChoice>
                  </input>
                  <correctAnswer>
                    <OTObjectSet>
                      <objects>
                        <object refid="f0ecc492-0091-11de-906e-d383519b8d14" />
                        <object refid="f0ecc494-0091-11de-906e-d383519b8d14" />
                      </objects>
                    </OTObjectSet>
                  </correctAnswer>
                </OTQuestion>
                <OTQuestion id="f6937426-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page2.cml">
                  <prompt>
                    <OTText id="f6937427-0091-11de-906e-d383519b8d14" text="Take a snapshot that shows some part of salt has been dissolved in water." />
                  </prompt>
                  <input>
                    <OTImage id="f6937428-0091-11de-906e-d383519b8d14" />
                  </input>
                </OTQuestion>
                <OTQuestion id="f693e959-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page2.cml">
                  <prompt>
                    <OTText id="f693e95a-0091-11de-906e-d383519b8d14" text="What do you think causes salt to dissolve in water? (Hint: Click the following button to remove the charges on the ions:&#xA;&#xA;Compare the result with when water is charged.)" />
                  </prompt>
                  <input>
                    <OTText id="f693e95b-0091-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="fb44ee4d-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page3.cml">
                  <prompt>
                    <OTText id="fb44ee4e-0091-11de-906e-d383519b8d14" text="Describe why a crystal of salt formed as the water evaporated from a drop of salt solution." />
                  </prompt>
                  <input>
                    <OTText id="fb44ee4f-0091-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="ff0ea081-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page4.cml">
                  <prompt>
                    <OTText id="ff0ea082-0091-11de-906e-d383519b8d14" text="Which of the following forms intermolecular attractions?" />
                  </prompt>
                  <input>
                    <OTChoice id="ff0ea083-0091-11de-906e-d383519b8d14" selectionUI="0">
                      <choices>
                        <OTText text="Polar molecules and other polar molecules." />
                        <OTText text="Polar and nonpolar molecules." />
                        <OTText text="Nonpolar and nonpolar molecules." />
                        <OTText id="ff0ec797-0091-11de-906e-d383519b8d14" text="All of the above." />
                        <OTText text="None of the above." />
                      </choices>
                    </OTChoice>
                  </input>
                  <correctAnswer>
                    <object refid="ff0ec797-0091-11de-906e-d383519b8d14" />
                  </correctAnswer>
                </OTQuestion>
                <OTQuestion id="ff0f15b9-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page4.cml">
                  <prompt>
                    <OTText id="ff0f15ba-0091-11de-906e-d383519b8d14" text="In the above model, which of the following did you find to have the strongest intermolecular attractions?" />
                  </prompt>
                  <input>
                    <OTChoice id="ff0f15bb-0091-11de-906e-d383519b8d14" selectionUI="0">
                      <choices>
                        <OTText text="Two non-polar molecules." />
                        <OTText id="ff0f15bd-0091-11de-906e-d383519b8d14" text="Two polar molecules." />
                        <OTText text="A non-polar molecule and a polar molecule." />
                      </choices>
                    </OTChoice>
                  </input>
                  <correctAnswer>
                    <object refid="ff0f15bd-0091-11de-906e-d383519b8d14" />
                  </correctAnswer>
                </OTQuestion>
                <OTQuestion id="ff0f63df-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page4.cml">
                  <prompt>
                    <OTText id="ff0f63e0-0091-11de-906e-d383519b8d14" text="What do you think are the reasons that cause the molecules to mix or not to mix?" />
                  </prompt>
                  <input>
                    <OTText id="ff0f63e1-0091-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="ff0f8af3-0091-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page4.cml">
                  <prompt>
                    <OTText id="ff0f8af4-0091-11de-906e-d383519b8d14" text="Give an example of two liquids that don't mix. Describe how this model explains why they don't mix." />
                  </prompt>
                  <input>
                    <OTText id="ff0f8af5-0091-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="05b86847-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page5.cml">
                  <prompt>
                    <OTText id="05b86848-0092-11de-906e-d383519b8d14" text="Does salt dissolve in benzene? Why or why not?" />
                  </prompt>
                  <input>
                    <OTText id="05b86849-0092-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="05b88f5b-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page5.cml">
                  <prompt>
                    <OTText id="05b88f5c-0092-11de-906e-d383519b8d14" text="A solute will dissolve best in a substance that has" />
                  </prompt>
                  <input>
                    <OTChoice id="05b88f5d-0092-11de-906e-d383519b8d14" selectionUI="0">
                      <choices>
                        <OTText text="the same shape." />
                        <OTText id="05b88f5f-0092-11de-906e-d383519b8d14" text="the same polarity." />
                        <OTText text="the same mass." />
                      </choices>
                    </OTChoice>
                  </input>
                  <correctAnswer>
                    <object refid="05b88f5f-0092-11de-906e-d383519b8d14" />
                  </correctAnswer>
                </OTQuestion>
                <OTQuestion id="0912ddf1-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page6.cml">
                  <prompt>
                    <OTText id="0912ddf2-0092-11de-906e-d383519b8d14" text="Reset the model. Set the temperature to &quot;low&quot; and run the model for 20,000 fs (note the number near the clock at the lower-left corner of the model window). Take a snapshot and place it below." />
                  </prompt>
                  <input>
                    <OTImage id="0912ddf3-0092-11de-906e-d383519b8d14" />
                  </input>
                </OTQuestion>
                <OTQuestion id="09130504-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page6.cml">
                  <prompt>
                    <OTText id="09130505-0092-11de-906e-d383519b8d14" text="Reset the model. Set the temperature to &quot;high&quot; and run the model for 20,000 fs. Take a snapshot and place it below." />
                  </prompt>
                  <input>
                    <OTImage id="09132c16-0092-11de-906e-d383519b8d14" />
                  </input>
                </OTQuestion>
                <OTQuestion id="0913c857-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page6.cml">
                  <prompt>
                    <OTText id="0913c858-0092-11de-906e-d383519b8d14" text="Raising the temperature" />
                  </prompt>
                  <input>
                    <OTChoice id="0913c859-0092-11de-906e-d383519b8d14" selectionUI="0">
                      <choices>
                        <OTText id="0913c85a-0092-11de-906e-d383519b8d14" text="speeds up rate of dissolving." />
                        <OTText text="slows down rate of dissolving." />
                        <OTText text="has no affect." />
                      </choices>
                    </OTChoice>
                  </input>
                  <correctAnswer>
                    <object refid="0913c85a-0092-11de-906e-d383519b8d14" />
                  </correctAnswer>
                </OTQuestion>
                <OTQuestion id="0914167d-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page6.cml">
                  <prompt>
                    <OTText id="0914167e-0092-11de-906e-d383519b8d14" text="Why does salt and sugar dissolve faster in hot water than in cold water?" />
                  </prompt>
                  <input>
                    <OTText id="0914167f-0092-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="0c712431-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page7.cml">
                  <prompt>
                    <OTText id="0c712432-0092-11de-906e-d383519b8d14" text="Place a snapshot of the model after a long run below and annotate the image to point out which region represents the part of solute that hasn't been dissolved." />
                  </prompt>
                  <input>
                    <OTImage id="0c712433-0092-11de-906e-d383519b8d14" />
                  </input>
                </OTQuestion>
                <OTQuestion id="0c717254-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page7.cml">
                  <prompt>
                    <OTText id="0c717255-0092-11de-906e-d383519b8d14" text="Based on the above simulation, give a molecular reason for why a solvent reaches saturation?" />
                  </prompt>
                  <input>
                    <OTText id="0c717256-0092-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="0f37be48-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page8.cml">
                  <prompt>
                    <OTText id="0f37e559-0092-11de-906e-d383519b8d14" text="Water can dissolve ionic compounds. Which idea best describes how this happens?" />
                  </prompt>
                  <input>
                    <OTChoice id="0f37e55a-0092-11de-906e-d383519b8d14" selectionUI="0">
                      <choices>
                        <OTText text="Ionic compounds fit in between water molecules." />
                        <OTText id="0f37e55c-0092-11de-906e-d383519b8d14" text="Charges on water molecules attract the ions in compounds with the opposite charge." />
                        <OTText text="Non-polar bonds are made between water and ionic compounds." />
                        <OTText text="Water has no charges while ionic compounds have charges." />
                      </choices>
                    </OTChoice>
                  </input>
                  <correctAnswer>
                    <object refid="0f37e55c-0092-11de-906e-d383519b8d14" />
                  </correctAnswer>
                </OTQuestion>
                <OTQuestion id="0f396bff-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page8.cml">
                  <prompt>
                    <OTText id="0f396c00-0092-11de-906e-d383519b8d14" text="For solids dissolving in liquids, an increase in temperature" />
                  </prompt>
                  <input>
                    <OTChoice id="0f396c01-0092-11de-906e-d383519b8d14" selectionUI="0">
                      <choices>
                        <OTText text="does not change solubility." />
                        <OTText text="decreases solubility." />
                        <OTText id="0f399314-0092-11de-906e-d383519b8d14" text="increases solubility." />
                        <OTText text="makes solution less concentrated." />
                      </choices>
                    </OTChoice>
                  </input>
                  <correctAnswer>
                    <object refid="0f399314-0092-11de-906e-d383519b8d14" />
                  </correctAnswer>
                </OTQuestion>
                <OTQuestion id="0f39ba26-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page8.cml">
                  <prompt>
                    <OTText id="0f39ba27-0092-11de-906e-d383519b8d14" text="Why do some ionic substances dissolve easily (like salt), while other ionic substances don't (like chalk)?" />
                  </prompt>
                  <input>
                    <OTText id="0f39ba28-0092-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="0f39e13a-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page8.cml">
                  <prompt>
                    <OTText id="0f39e13b-0092-11de-906e-d383519b8d14" text="Why doesn't salt dissolve in air?" />
                  </prompt>
                  <input>
                    <OTText id="0f39e13c-0092-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
                <OTQuestion id="0f3a566e-0092-11de-906e-d383519b8d14" name="http://ri-itest.concord.org/SAMActivities/Solubility/Solubility_v1/page8.cml">
                  <prompt>
                    <OTText id="0f3a566f-0092-11de-906e-d383519b8d14" text="Click the &quot;Run&quot; button to run the model to the left. Watch carefully how the water molecules around the gray ion interact with it. Then click the following button to reverse the charge on the gray ion:&#xA;&#xA;&#xA;What happens to the water molecules surrounding the ion? You can reverse the charge as many times as you want, in order to observe more clearly. Write down your observation." />
                  </prompt>
                  <input>
                    <OTText id="0f3a5670-0092-11de-906e-d383519b8d14" text="" />
                  </input>
                </OTQuestion>
              </questions>
            </OTModelerPage>
            <OTWorkgroupMemberChooser />
          </layers>
        </OTLayerContainer>
      </root>
    </OTSystem>
  </objects>
</otrunk>

