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Which of the following is an example of how a scientist might use a model? Question 1 options: A stopwatch is used to time the rate of a chemical reaction. A microscope is used to magnify a group of cells on a slide. A wrench is used to tighten a nut onto a piece of wood. The end of a slinky is moved vertically up and down to simulate a wave.

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The end of a slinky is moved vertically up and down to simulate a wave

The correct answer is option The end of a slinky is moved vertically up and down to simulate a wave.

The scientific model is the visual description of the ,ideas or a phenomenon, which cannot be experienced directly. The movement of the waves cannot be experienced directly. So, the scientist or a person use slinky to vertically up and down to describe the nature of waves.

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