Mantle: The mantle is so hot that some rocks there are semi-molten and flow about in slow moving currents.
Core: The centre part of the earth is very hot.
Plate: Big slab of the earth's crust.
Plate Boundary: Where plates meet.
More about the earth's crust:
1: The crust is rather like a huge jigsaw puzzle. It is broken in to pieces called plates. The places where plates meet are called plate boundaries.
2: these huge plates do the following:
- They float on the heavier, semi-molten rock of the mantle.
- they move around slowly, carrying out continents with them as passengers. this movement is called continental drift.
- They collide with and separate from each other. These movements cause activities such as folding, earthquakes and volcanic activity to happen at plate boundaries. The activities then give rise to landscape features or landforms such as fold mountains and volcanic mountains.
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