Answer:Observation is the act of carefully noticing things using our senses. It is useful because it helps us understand situations, make better decisions, and solve problems in both school and everyday life.Here are five sentences of everyday situations when observation is useful.1. When I notice that my classmate looks sad or quiet, I can observe their behavior and ask if they are okay.(Useful because it helps me know when someone needs support or comfort.)2. While playing basketball, I observe how my opponent moves so I know when to pass or shoot.(Useful because it improves my strategy and chances of winning the game.)3. At home, I observe if the rice cooker light turns off to know if the rice is already cooked.(Useful because it improves my strategy and chances of winning the game.)4. I also observe the weather, like dark clouds or strong winds, to decide if I should bring an umbrella.(Useful because it improves my strategy and chances of winning the game.)5. In class, I observe the teacher’s examples on the board so I can copy the correct solution to the problem.(Useful because it improves my strategy and chances of winning the game.)