What good curriculum sequencing looks like in science
Good sequencing helps students build connected models of science, rather than isolated facts that disappear after a test.

Sequence for meaning, not just coverage
A curriculum can cover the specification and still leave students with fragmented knowledge. Good sequencing considers prerequisite ideas, common misconceptions and the conceptual links between topics.
Return to important ideas
Science understanding strengthens when students meet important ideas more than once, each time in a slightly richer context. Forces, energy, particles, cells and chemical change all benefit from thoughtful revisiting.
Assessment should diagnose thinking
Assessment is most useful when it shows how students are thinking, not just whether they remembered a sentence. Diagnostic questions, explanation tasks and applied problems reveal where teaching needs to go next.
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