In the PhET simulation window, click on the Intro tab and check the “Energy Symb
ID: 1010299 • Letter: I
Question
In the PhET simulation window, click on the Intro tab and check the “Energy Symbols” box in the upper right. 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. Make certain each sentence is complete before submitting your answer.
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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 ___________ .
Help
Reset
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 ___________ .
Explanation / Answer
1. Drag the beaker of water onto the support. The internal energy of water will be analyzed, which makes water the ____system_______ being studied.
2. When the slider is dragged down to cool the water, the water __loses_______ thermal energy to the ice, and the ice is considered part of the ___surroundings_______ .
3. This transfer of heat is an ___exothermic______ process, and the sign on the value for qsys would be ___negative______ .
4. When the water is heated, the water undergoes an _____endothermic_________ process, and it ____gains______ thermal energy from the fire.
5. In this situation, the sign on the value for qsys would be ____positive_______ .