2. The rocks are the materials that form the earth’s crust
and the mantle of the Geosphere.
It is made of very little grains called minerals.
What is the difference between rocks?
- The variety of minerals
- The size of the grains of the minerals
- Its hardness
5. The relief erodes, that is, it becomes more flat.
The sediments change into sedimentary rocks.
6. The high temperatures inside the Earth can form
:
- volcanoes
- cause earthquakes.
The volcano releases lava, which is a mixture
of molten rocks, gases and pieces of rock.
7. Earthquakes are movements from inside the
Earth’s crust.
- In the volcanic eruptions : the lava
acumulates, forming a cone ( the volcanic cone)
- In the Earthquakes : rivers change their course,
rocks remove, etc…
8. We use rocks and minerals:
- Like building materials
- Like decoration materials
- To get materials
