Английский язык. Ильичева Н.А - 45 стр.

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7. The direction of the ……… ……… between two objects depends on their
   temperature.
8. Substances require different amount of heat to raise the temperatures because
   their ……… ……… are different.
9. The greater the ……… ……… of a substance the greater the amount of heat
   is required to raise its temperature.
10. A common ……… ………. Is called a calorie.

8. Underline the correct word.
1. The internal / external forces of materials are different.
2. The calorie as a traditional unit for measuring heat is written with a capital C
   / small c to avoid confusion with a diet calorie.
3. When we do work there is frequently a substantial / small amount of heating
   caused by friction.
4. If you remove / add heat from / to a substance, its temperature increases.
5. Various substances require the same / different amounts of heat to raise the
   temperature.
6. The specific heat of a substance is the amount of heat necessary to lower /
   raise the temperature of one kilogram of a substance one degree Celsius.
7. The greater the specific heat of a substance, the greater / smaller is the
   amount of heat required to raise the temperature.

9. Fill in the correct word from the list below:
   transferred, involves, add, flows, avoid, refers, depends on, express, define,
   requires, causes
1. Heat ………. from one object to another because of a difference in
    temperature. (течь, переходить)
2. Energy transfer ……… work. (предполагать, включать в себя)
3. Friction ……… heating. (вызывать, быть причиной)
4. Can you ……… the calorie (дать определение)
5. Heat is related to the amount of energy ……… from one body to another.
    (перемещающийся)
6. The direction of heat flow between two objects ……… on their temperature.
    (зависеть)
7. Water ……… almost ten times as much heat as an equal mass of iron to
    make the same temperature change. (нуждаться)
8. If you ……… heat to a substance, its temperature increases. (добавлять)
9. Heat ……… to a transfer of energy. (иметь отношение)
10. They ……… the difference in internal forces of materials in terms of
    specific heat. (выражать)
11. The “common calorie” and the “dietary calorie” are designated differently to
    ……… confusion. (избегать)