1.
ROCKS. A rock is a mass of hard consolidated mineral matter.
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The
structure of
our planet:
- The outer layer (brown) is called crust.
It's solid and made up of rocks similar to those we see on the Earth
surface.
- The orange layer is called mantle.
It's solid and made up of dense rocks.
- The red layer is the external
core.
It's liquid.
- The grey one is the internal
core.
It's solid again and very rich in iron.
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A landscape is a set that includes
many elements.
We can
group them in: a) relief,
b) vegetation,
c) courses and
masses of water, d) artificial
elements.
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Natural
landscape
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Rural
landscape
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Urban
landscape |
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4.
USEFUL ROCKS
AND MINERALS.
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