What skill does the activity of drawing a plant's growth over time best illustrate?

The activity of drawing a plant's growth over time exemplifies observation skills because it requires a child to closely monitor and record the changes that occur in the plant as it grows. This process involves paying attention to details such as color, size, shape, and other characteristics that evolve over time.

By observing these changes and translating them into drawings, children develop their ability to notice and interpret visual information, which is crucial in understanding the natural world. This skill not only helps them document their findings but also enhances their overall scientific literacy by fostering curiosity and encouraging exploration of their environment.

In contrast, while memory skills may play a role in recalling what the plant looked like at different stages, the primary focus of the activity is on active observation rather than recall. Physical coordination is more about the fine motor skills used in the act of drawing, while cognitive reasoning could involve understanding why the plant grows and changes, but again, the main emphasis here is on the act of careful observation to illustrate the growth over time.