**15. Ability of learners to integrate knowledge across subject domains**

The ability to connect factual knowledge from Natural Sciences and Social Sciences highlighted in the data provided confirmed the Piaget theory of cognitive development, which states that learners at the age of ten and up, are able to think at an abstract level and generate hypotheses. The critical thinking and evaluation skills on the truthfulness and worthiness of scientific facts in the Natural Science and Social sciences about the positions of the sun and the earth was to learners a theme with contradictions in both fields of knowledge production.
