Question

Which of the following is not an example of an energy transformation? a. Heating up dinner in a microwave b. Solar panels at work c. Formation of static electricity d. None of the above

Short answer

The correct answer is D (None of the above), as all the given options (A, B, and C) involve energy transformation.

Step-by-step solution

Understanding energy transformation

Energy transformation is when one form of energy changes into another. It is essential to recognize different forms of energy, such as electrical, heat, and light energy, and how they can transform from one to another.

Analyzing option A

Option A is about heating up dinner in a microwave. In a microwave, electrical energy is transformed into heat energy, which is then used to heat the food. This is an example of energy transformation.

Analyzing option B

Option B involves solar panels. Solar panels work by converting sunlight into electrical energy. In this case, solar energy (light energy) is transformed into electrical energy. This is also an example of energy transformation.

Analyzing option C

Option C refers to the formation of static electricity. Static electricity is generated by rubbing two objects together, causing a separation of charges on their surfaces. This process results in the movement of electrons, which is a form of electrical energy. So, this option is an example of energy transformation as well.

Answering the question

As all the given options (A, B, and C) involve energy transformation, the correct answer should be D (None of the above).