The Earth's structure, rocks and minerals
What is the name of the external layer of the Earth?
Lithosphere
The Earth's crust is broken into different pieces called ...
Tectonic plates
Which are three main processes that change relief?
1. Weathering
2. Erosion
3. Deposition
The lithosphere is formed by the ......... and the ............... .
The lithosphere is formed by the CRUST and the OUTER LAYER OF THE MANTLE.
The core is ................... .
The core is EXTREMELY HOT.
Describe WEATHERING.
Weathering BREAKS DOWN the rocks into smaller pieces called SEDIMENTS.
How do we classify rocks?
We classify rocks according to their composition, texture, and where they appear in nature.
The heat makes the materials of the mantle ................. .
....... MOVE UPWARDS.
Weathering can be:
1. _____________
2. _____________
1. Physical
2. Chemical
Which are the three main types of rocks?
- Igneous rocks
- Sedimentary rocks
- Metamorphic rocks
When the materials are near the crust, they ............... and ............ .
They COOL DOWN and SINK.
Describe EROSION.
Erosion MOVES the sediments from one place to another.
The heat makes the ....................... .
The heat makes the TECNOTIC PLATES MOVE.
Describe DEPOSITION.
Deposition DEPOSITS the sediments in a NEW PLACE.