Suppose that for a science project you wanted to find exactly how much the lengt

Question

Suppose that for a science project you wanted to find exactly how much the length of a shadow changes during the day. How would you make this observation? Cast a shadow for a person or object and measure both - specify morning and afternoon. Cast a shadow three separate times for a person or object and measure the initial and final shadows - specify morning and afternoon. Cast a shadow at least three separate times for a person or object and measure it each time - specify morning and afternoon. Cast a shadow three separate times for a person or object times an measure it ach time - specify morning and afternoon.

Explanation / Answer

Here the option is (B)

cast a shadow three seperate times for a person or object and measure the initial and that shadows.

Here the shadow changes depending on the position of the sun.So,we have to take observations on a person depending on the position of the sun.

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