How do why and how questions support learning?
Elaborative questioning asks why information is true or through which process something happens. It can help connect new material with existing knowledge. Asking why is not sufficient by itself; the explanation must be checked against reliable information.
Connecting questions to knowledge
When a learner asks why plants need light, the task is to explain light’s role in photosynthesis rather than repeat a memorised sentence. In history, a cause must be distinguished from another event that merely followed. Useful questions focus on central relationships and suit existing knowledge. Provide brief explanations or examples when that knowledge is insufficient. Asking why about every detail can consume time unnecessarily, so select important concepts and relationships. Questions can be written, spoken or discussed in small groups.
Avoiding mistaken justifications
The first explanation that comes to mind may be wrong. A cause inferred from everyday experience may conflict with scientific evidence. Compare the account with course sources and identify unresolved uncertainty. Rather than merely supplying an answer, teachers can show which evidence supports it. This method does not replace acquiring information; it helps make acquired information meaningful. Evaluate accuracy, clarity of relationships and use across examples rather than question count. Simplifying questions may be more helpful than abandoning the approach when learners struggle.