Select the Experiment tab in the simulation, and then click Run Demonstration. Perform the described tasks and fill in the blanks with the appropriate terms. Match the words in the left column to the appropriate blanks in the sentences on the right.
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loses
endothermic
gains
surroundings
positive
negative
system
exothermic

1. Drag the beaker of water onto the support. The internal energy of water will be analyzed, which makes water the being studied.

2. When the slider is dragged down to cool the water, the water thermal energy to the ice, and the ice is considered part of the .

3. This transfer of heat is an process, and the sign on the value for qsys would be .

4. When the water is heated, the water undergoes an process, and it thermal energy from the fire.

5. In this situation, the sign on the value for qsys would be .