sábado, 6 de febrero de 2016

UNIT 3 - LAND, WATER AND AIR

WATER
It is essencial for life. We find water in 3 states: solid, liquid and gas.




  • Solid

  • Liquid

  • Gas


Water cycle


MINERALS
Rocks are formed by one or more minerals. A mineral is a non-living, solid material.
We classify minerals by colour, shine, texture and hardness.
   TALC                         CALCITE

 QUARTZ                    DIAMOND

Minerals can have different uses:





ATMOSPHERE AND WEATHER
The atmosphere is the layer of air around Earth. It is transparent and contains gases like oxygen. Natural phenomena happen there.


Weather map



LOOKING AFTER NATURE
  • We can take care of the environment following the 3 R's rule: REUSE, REDUCE and RECYCLE.
  • Protect land, water and atmosphere. Do not: START FIRES, POLLUTE WATER, POLLUTE AIR.



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