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7) check all that apply. choose two facts about energy transformations …

Question

  1. check all that apply.

choose two facts about energy transformations and thermal energy.
thermal energy is transferred out to the surroundings as heat that is considered waste.
some of the energy is transformed into thermal energy.
thermal energy is reabsorbed and decreases the temperature of the object.
thermal energy is radiated as electrical energy.

  1. check all that apply.

choose two facts about meteorologists.
a meteorologist needs to earn a doctoral degree.
they observe, study, and forecast energy transformations and other phenomena that affect the earths atmosphere.
most meteorologists work for the government, military, universities, and private companies whose business is weather - dependent.
most meteorologists work for television stations.

Explanation:

Brief Explanations
  • Question 7:
  • According to the law of energy conservation and the concept of thermal energy, during energy transformations, thermal energy is often transferred out as waste heat (e.g., in engines, some energy is lost as heat to the surroundings). Also, in many energy - transformation processes (like mechanical to thermal in friction), some of the energy is transformed into thermal energy.
  • Thermal energy being reabsorbed to decrease an object's temperature is incorrect because when thermal energy is reabsorbed, the object's temperature should increase. Thermal energy being radiated as electrical energy is also incorrect as thermal energy is usually radiated as heat (infra - red radiation, etc.) not electrical energy.
  • Question 8:
  • A meteorologist does not necessarily need a doctoral degree. A bachelor's or master's degree can also be sufficient for some meteorology - related jobs. Meteorologists do not observe, study, and forecast energy transformations. They focus on weather and atmospheric phenomena. Most meteorologists work for the government, military, universities, and weather - dependent private companies. While some meteorologists may work for television stations, it is not the most common employment sector compared to the government, etc.

Answer:

  • Question 7: Thermal energy is transferred out to the surroundings as heat that is considered waste; Some of the energy is transformed into thermal energy.
  • Question 8: Most meteorologists work for the government, military, universities, and private companies whose business is weather - dependent.