Download Key expressions and vocabulary

Key expressions and vocabulary.
The Earth has got three main parts: atmosphere, hydrosphere and
geosphere.
We can classify the minerals by there hardness, lustre and colour.
Lava is magma that comes to the surface.
Different parts of the volcanoes: crater, conduit, magma chamber and
volcanic cone.
Difference between fresh water/salty water/potable water.
Meridians are semi circular lines that go from north to south.
Parallels are circular lines that go from east to west.
The Equator has got a latitude of 0º.
Types of rocks: sedimentary, igneous, metamorphic.
The layers of the geosphere and the atmosphere.