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                    <OTText id="57be03d2-008e-11de-95e3-51b7848a3aa5" text="A substance composed of atoms A and another composed of atoms B are at the same temperature, but atom A is ten times more massive. How does the speed of A compare to the speed of B, on average?" />
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                    <OTText id="57be2ae6-008e-11de-95e3-51b7848a3aa5" text="Which type of atom has the greater mass?" />
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                        <OTText id="57be2ae8-008e-11de-95e3-51b7848a3aa5" text="The pink atoms." />
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                    <OTText id="57be51fb-008e-11de-95e3-51b7848a3aa5" text="The yellow and pink atoms in the container are the same temperature. Use what you know about kinetic energy to explain what you observe in the model. " />
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                    <OTText id="5c0ac8c7-008e-11de-95e3-51b7848a3aa5" text="If we add another box to the model, the average kinetic energy of atoms within the box over time will:" />
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                        <OTText id="5c0ac8c9-008e-11de-95e3-51b7848a3aa5" text="Be the same as that of all atoms." />
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                        <OTText text="Depend on its size." />
                        <OTText text="Depend on its location." />
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                    <OTText id="5c0c2860-008e-11de-95e3-51b7848a3aa5" text="Describe how changing the number of atoms in the box (by changing the size) affects the temperature over time." />
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                    <OTText id="5c0c4f77-008e-11de-95e3-51b7848a3aa5" text="How is the average KE affected by adding or subtracting heat?" />
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                    <OTText id="5ec15d5b-008e-11de-95e3-51b7848a3aa5" text="What will happen to the temperatures in the chambers if the temperature of the left one is higher than that of the right one?" />
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                        <OTText text="They both go up." />
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                        <OTText text="The temperature on the left goes up, and the temperature on the right goes down." />
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                    <OTText id="5ec33122-008e-11de-95e3-51b7848a3aa5" text="What do you think happens that causes both chambers to reach the same temperature in the above simulation?" />
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                    <OTText id="612bf3c6-008e-11de-95e3-51b7848a3aa5" text="Write down the temperatures of the large and small solids after you have hit the &quot;Add energy&quot; button 10 times. Describe the relationship between the readings and the size of the solids." />
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                    <OTText id="612c1ada-008e-11de-95e3-51b7848a3aa5" text="How many times do you need to click the &quot;Add energy&quot; button on the small solid to reach approximately the same temperature of the large solid after you hit the &quot;Add energy&quot; button 10 times? " />
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                        <OTText text="1 click." />
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                        <OTText text="Cannot determine." />
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                    <OTText id="646ee9d1-008e-11de-95e3-51b7848a3aa5" text="Which one in the above results in the fastest heat transfer between the hot and cold solid?" />
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                    <OTChoice id="646ee9d2-008e-11de-95e3-51b7848a3aa5" selectionUI="0">
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                        <OTText text="Sponge" />
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                        <OTText text="Thick long bar" />
                        <OTText text="Thin long bar" />
                        <OTText text="Gas" />
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                    <OTText id="646f37fa-008e-11de-95e3-51b7848a3aa5" text="A radiator heats a house by pumping a hot liquid through tubes folded as shown in the image on the left. What did you learn from the experiment on this page that can explain why the tube is made in such a shape?" />
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                <OTQuestion id="674b55dd-008e-11de-95e3-51b7848a3aa5" name="http://ri-itest.concord.org/SAMActivities/HeatAndTemp/HeatAndTemp_v2/page7.cml">
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                    <OTText id="674b7cee-008e-11de-95e3-51b7848a3aa5" text="How is thermal radiation different from heat conduction in transferring heat? (Check all that apply)" />
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                        <OTText text="There is no difference." />
                        <OTText id="674ba401-008e-11de-95e3-51b7848a3aa5" text="Thermal radiation may happen through photons, but heat conduction does not." />
                        <OTText id="674ba402-008e-11de-95e3-51b7848a3aa5" text="Thermal radiation requires no contact of atoms, but heat conduction relies on atoms." />
                        <OTText text="Thermal radiation transfers heat faster than heat conduction." />
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                    <OTText id="6a9f14c6-008e-11de-95e3-51b7848a3aa5" text="Take a snapshot of the model that shows thermal expansion, and then follow the instruction below to drag in the snapshot image." />
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                    <OTText id="6a9fd819-008e-11de-95e3-51b7848a3aa5" text="Take a snapshot of the graph that shows the increasing of energy when heated, and then follow the instruction below to drag in the snapshot image." />
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                    <OTText id="6fd3537c-008e-11de-95e3-51b7848a3aa5" text="What is true of the kinetic energy of each individual atom when a substance has reached a certain temperature?" />
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                        <OTText id="6fd3537e-008e-11de-95e3-51b7848a3aa5" text="The kinetic energy of each atom is the same as every other atom." />
                        <OTText text="The average kinetic energy of each atom is the same as every other atom." />
                        <OTText text="Some atoms have a higher average kinetic energy." />
                        <OTText text="Some atoms have a lower average kinetic energy." />
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                <OTQuestion id="6fd3a1a2-008e-11de-95e3-51b7848a3aa5" name="http://ri-itest.concord.org/SAMActivities/HeatAndTemp/HeatAndTemp_v2/page9.cml">
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                    <OTText id="6fd3a1a3-008e-11de-95e3-51b7848a3aa5" text="Which of the following means of heat transfer explains why Jane's hand was burned after she touched the hot pot?" />
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                        <OTText id="6fd3a1a5-008e-11de-95e3-51b7848a3aa5" text="Conduction." />
                        <OTText text="Thermal radiation." />
                        <OTText text="Diffusion." />
                        <OTText text="None of the above." />
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                    <OTText id="6fd3c8ba-008e-11de-95e3-51b7848a3aa5" text="When a hot and cold object are placed in contact, the hot one loses energy. Does this violate energy conservation? Why or why not?" />
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                    <OTText id="6fd3efce-008e-11de-95e3-51b7848a3aa5" text="When you place a hot cup of tea down, why does the cup of tea get cooler and the counter get warmer? Be sure to talk about kinetic energy and temperature in your explanation." />
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                <OTQuestion id="6fd416e1-008e-11de-95e3-51b7848a3aa5" name="http://ri-itest.concord.org/SAMActivities/HeatAndTemp/HeatAndTemp_v2/page9.cml">
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                    <OTText id="6fd416e2-008e-11de-95e3-51b7848a3aa5" text="A vacuum flask (sometimes called a Thermos bottle) is a double-wall container with a vacuum between the two walls. How does the flask keep its contents hotter than the outside air? " />
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                <OTQuestion id="6fd43df5-008e-11de-95e3-51b7848a3aa5" name="http://ri-itest.concord.org/SAMActivities/HeatAndTemp/HeatAndTemp_v2/page9.cml">
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                    <OTText id="6fd43df6-008e-11de-95e3-51b7848a3aa5" text="A gas contains equal numbers of atoms of radon (atomic mass = 222) and helium (atomic mass = 4). In equilibrium, which kind of atom is a) going faster, b) has more average KE, and c) is hotter? Explain your answers." />
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                    <OTText id="6fd43df7-008e-11de-95e3-51b7848a3aa5" text="" />
                  </input>
                </OTQuestion>
              </questions>
            </OTModelerPage>
            <OTWorkgroupMemberChooser />
          </layers>
        </OTLayerContainer>
      </root>
    </OTSystem>
  </objects>
</otrunk>

