Science unit 6. 2º e.p

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Science unit 6. 2º e.p

  1. 1. A PLANET CALLED THE EARTH
  2. 2. Lake air Polar Region river Water Mountain Valley
  3. 3. WATER ON EARTH salt water – fresh water The fresh water in rivers, lakes and underground water comes from rain, and snow and ice melting. We cannot drink the water in seas and oceans becouse it contains salt.
  4. 4. OBJECTS IN THE SKY: stars, planets and satellites.
  5. 5. DAY AND NIGHT When the sun comes up, it is sunrise When the sun is highest in the sky, it is midday When the sun goes down, it is sunset
  6. 6. THE SEASONS
  7. 7. WHY ARE THERE DIFFERENT SEASONS?
  8. 8. THE END

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