1. THE EARTH AND THE MOON
UNIT 2

2. WHAT DO YOU THINK ABOUT ….?
WHAT ARE THE EFFECTS OF THE EARTH ROTATION? DOES THE SUN HAVE ANY EFFECT ON THE TIDES? WHY THE MOON HAS SO MANY CRATERS? WHY DOES THE MOON CHANGE ITS SHAPE? …

3. OUR PLANET EARTH CHARACTERISTICS THIRD PLANET FROM THE SUN
LARGER THAN THE OTHER ROCKY PLANETS
ONLY ONE SATELLITE
ONLY PLANET KNOWN WITH AN ATMOSPHERE WITH OXYGEN, OCEANS OF LIQUID WATER AND LIFE
GRAVITY ON EARTH PULLS US TOWARDS THE CENTRE OF THE PLANET
HAVE AN INTENSE GEOLOGICAL ACTIVITY

4. FOUR CONNECTED SPHERES
ATMOSPHERE: GASEOUS LAYER THAT SURROUNDS THE EARTH
HYDROSPHERE: MADE UP OF WATER
BIOSPHERE: WHERE LIVING THINGS ARE FOUND
GEOSPHERE: SOLID PART

5. LIKE OTHER PLANETS, EARTH HAS 2 MOVEMENTS
MOVEMENTS AND EFFECTS
LIKE OTHER PLANETS, EARTH HAS 2 MOVEMENTS
ROTATION
EARTH ROTATES AROUND ITS AXIS
IT TAKES 24 H TO COMPLETE ROTATION
THIS PERIOD ITS CALLED DAY
CONSECUENCES OF THE ROTATION: CYCLE OF DAYLIGHT AND DARKNESS, RISING AND SETTING OF THE SUN

6. REVOLUTION
REVOLVES AROUND THE SUN
IT TAKES 365 DAYS AND 6 HOURS
THIS PERIOD ITS CALLED YEAR
CONSECUENCES: THE SEASONS

7. THE MOON AND ECLIPSES
AN ECLIPSE OCCURS WHEN A CELESTIAL BODY IS PARTIALLY OR COMPLETELY HIDDEN BECAUSE ANOTHER BODY IS BLOCKING IT ECLIPSES OCCURS WHEN THE SUN, THE MOON AND THE EARTH ARE ALIGNED TYPES: LUNAR AND SOLAR

8. LUNAR ECLIPSE
OCCURS WHEN THE EARTH PASSES BETWEEN THE MOON AND THE SUN THE EARTH SHADOW BLOCKS THE WHOLE MOON OR A PORTION OF IT

9. SOLAR ECLIPSE
OCCURS WHEN THE MOON IS BETWEEN THE EARTH AND THE SUN THE SUN IS NO VISIBLE FROM A CERTAIN STRIP OF THE EARTH

10. TOTAL ECLIPSE: THE MOON BLOCKS OUT THE SUN ENTIRELY PARTIAL ECLIPSE: THE MOON CLOCKS OUT A PORTION OF THE SUN ANNULAR ECLIPSE: THE MOON DOESN´T COVER THE SUN COMPLETELY AND LEAVES AN OUTER RING OF LIGHT