Ppt s2u4 water and land

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Ppt s2u4 water and land

  1. 1.  MOST OF THE EARTH IS COVERED IN WATER, BUT … BE CAREFUL!!! NOT ALL WATER IS DRINKING WATER. WATER  THE WATER IN OCEANS, THE SEA, RIVERS AND LAKES IS SURFACE WATER.SURFACE WATER.  THE WATER UNDERGROUND IN CAVES AND ROCKS IS GROUNDWATERGROUNDWATER.
  2. 2.  THE WATER IN SEAS AND OCEANS HAS A LOT OF SALT AND IS CALLED SALTWATERSALTWATER.  THE WATER IN RIVERS AND MOST LAKES DOES NOT CONTAIN MUCH SALT AND IS CALLED FRESHWATERFRESHWATER.
  3. 3. THE THREE FORMS OF WATER
  4. 4. THE WATER CYCLE 1.- THE SUN HEATS THE WATER IN THE SEA. THIS WATER EVAPORATES AND FORMS CLOUDS. 2.- THE WIND MOVES THE CLOUDS. THEY COOL AND IT RAINS OR SNOWS. 3.- THE WATER FALLS INTO LAKES AND RIVERS. 4.- THE WATER FROM RIVERS AND LAKES GOES TO THE SEA AND THE CYCLE STARTS AGAIN.
  5. 5. RIVERS THE COURSE OF A RIVER.THE COURSE OF A RIVER.  UPPER COURSEUPPER COURSE: A RIVER BEGINS IN THE MOUNTAINS.  MIDDLE COURSEMIDDLE COURSE: THE RIVER CONTINUES DOWN THE MOUNTAINS AND HILLS  LOWER COURSELOWER COURSE: THE RIVER GOES INTO THE SEA. RIVERS HAVE 3 COURSES:
  6. 6. WE USE WATER TO:WE USE WATER TO: USE OF WATER • WATER PLANTS • WASH • DRINK• COOK DON’T WASTE WATER!!  Have a shower.  Turn off the tap when you brush your teeth.  Keep tap water in the fridge.
  7. 7. THE GROUND  SAND, SOIL AND ROCK COVER THE GROUND.  MOST ANIMALS LIVE ON THE SURFACE, BUT SOME LIVE UNDERGROUND.  PLANTS GROW IN THE GROUND.  IT IS BAD FOR PLANTS AND ANIMALS! PROTECT OUR PLANET!!  PUT THE RUBBISH IN THE BIN.  DO NOT LEAVE PLASTIC BAGS, PAPER OR GLASS ON THE GROUND. Moles live underground
  8. 8. PowerPoint realizado por Myriam Malo.

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