Let me bring this rock back home.
4. Rocks and soil are
1
2
important resources on the Earth. Why are these children not doing right?
e
Rocks and soil are precious resources. We should cherish and protect them.
Structure of the Earth
Igneous rocks
different colours, grain sizes and hardness
Sedimentary rocks
Rocks
Metamorphic rocks
Mantle
Core
Crust
centre of the Earth, extremely high temperature
hot flowing magma
outermost layer, divided into many plates
Sandy soil
different drainage capacity
Soil
Loam
Clay soil
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