Properties of materials
Compare and group different kinds of rocks based on their appearance and simple physical properties such as hardness, texture, and colour
Typical age: 7–8 years
“Can your child examine a collection of rocks and sort them by whether they're hard or crumbly, rough or smooth, and light or dark?”
0 / 3 mastered
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- Rock Layers & Relative Dating
Understanding rock classification (sedimentary/igneous/metamorphic) helps understand strata and relative dating
- How fossils formREQUIRED
Must examine rocks before understanding how fossils form within rock
- The Rock CycleREQUIRED
The rock cycle requires prior knowledge of rock types (igneous, sedimentary, metamorphic) and their observable properties
- Types of Rock
Volcanic rock types topic parallels curriculum rocks classification
- Erosion and weathering
Rock properties knowledge supports understanding how weathering breaks down different rocks
- Rocks and soilREQUIRED
Must know about rocks before learning that soil comes from broken-down rock
- Rapid earth changes
Rock knowledge supports understanding geological events