A shadow can provide information about the changing position of a light source. Patient obse record shif edges a compare succe measurements wh keeping th reference obj firmly posit throughout t observation per to avoid introducing misleading differences. If the object moves as well as the light, interpreting the result becomes more difficult. A simple experiment therefore requires attention to what remains fixed. Recording the time of each measurement also matters. The final pattern combines positions with a sequence, allowing observers to describe not just where the shadow fell but how it changed.

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