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Rocks and soil
CONCEPTUALRecognise that soils are made from rocks and organic matter, and that different soils have different properties
Mastery Evidence
- State that soil is a mixture of broken-down rock particles and decomposed organic matter (humus)
- Compare at least two types of soil (sandy, clay, loam) and describe their different properties
- Explain that soil formation takes a very long time as rocks gradually break down
Assessment Prompt
“Can [child] explain that soil isn't just dirt — it's made from tiny broken-down bits of rock mixed with dead leaves and other organic material?”
Curriculum Standards1 alignment
Y3.Sci.R.3The national curriculum in EnglandComposition of soils
recognise that soils are made from rocks and organic matter
Science · Key Stage 2
Prerequisites1
- Properties of materialshardAges 7—8
Show full prerequisite tree
- Properties of materials hard
Must know about rocks before learning that soil comes from broken-down rock
- States of Matter Vocabulary soft
Describing physical properties of materials uses solid/liquid/gas vocabulary introduced in the states of matter LANGUAGE node
Unlocks1
- The Rock CyclesoftAges 12—14