Read the passage below and answer the questions that follow
Brian had always dreamed of becoming a scientist. He spent his free time reading books about plants and animals and asking his teachers endless questions. While his friends played football after school, Brian could often be found in the corner of the classroom, peering at tiny insects through an old magnifying glass that his uncle had given him as a birthday gift.
One term, his school announced a science competition. Pupils were asked to come up with a project that could help solve a real problem in their community. Brian thought hard for several days. He noticed that many farmers in his area lost their crops because they could not tell when the soil was too dry. This gave him a clever idea.
Brian decided to build a simple device that would change colour when the soil needed water. He used materials he found at home and tested it again and again in his mother's garden. Some experiments failed, and he felt like giving up. But he remembered his teacher's words: "Every mistake teaches you something new."
On the day of the competition, Brian presented his invention to the judges. They were impressed by how useful and affordable it was. Brian won first prize, but more importantly, a local farmer asked to use his device. Brian realised that science was not just about winning awards; it was about helping people live better lives.