Providing an explanation (hypothesis) that is reasonable in terms of available evidence.
Scientists’ explanations about what happens in the world come partly from what they observe and partly from what they think. Preliminary explanations are constructed with conceptual knowledge and propose a new level of understanding. At early stages, students think about what may happen during an investigation and justify their thinking. At later stages, students identify cause and effect relationships within an hypothesis and base predictions on factual evidence more than opinion.
Students demonstrate their understanding of predicting and hypothesizing by