Conceptual physics unit 4 Test Questions and Answer All Correct

Conceptual physics unit 4 Test Questions and Answer All Correct Which releases the most energy, 100 grams of 100 degrees C water cooling to 50 degree C, or 100 grams of iron at 100 degrees C cooling to 50 degrees C?(The specific heat of iron is 0.12 cal/g C) - Answer-Water Internal energy is the ? - Answer-Total amount of energy contained in an object Heat is measured in ? - Answer-calories, kilocalories, and joules Specific heat capacity is related to the amount of internal energy? - Answer-needed to change the temperature of one gram of a substance one degree Which has a higher specific heat capacity, water or sand? - Answer-water has a higher specific heat capacity. When an iron ring is heated, the hole becomes? - Answer-larger Which of the following expands most when the temperature is lowered? - Answer-water at 4 degrees C A bimetallic strip will bend when heated because? - Answer-each metal expands at different rates Apiece of iron(specific heat=0.12 cal/g C) and a cup of water both have the same temperature.If they are heated so the internal energy of each doubles? - Answer-both will have the same temperature