A question is developed based on observations that you want to answer.
Observations are information received from the senses: seeing, hearing, smelling, tasting, or feeling.
In this scenario, what could Sally’s question be?
Sally observed that her friend’s sunflower plants grow well in her backyard soil. Her friend said they add compost to their soil. A question that Sally could ask is: What type of soil would make my sunflower plant grow tallest?