2. SUPPORTING LIFE ON EARTH
ATMOSPHERE GEOSPHERE
HYDROSPHERE
layer of gases is the solid part of is
all the water that
wich sorrounds the Earth.
exists on Earth.
the Earth.
Atmosphere
Earth

3. THE EARTH AND THE MOON
•
EARTH`S ORBIT: 365 DAYS EARTH´S ROTATION: 24
HOURS
THE MOON IS 1 QUARTER OF THE EARTH. IT´S THE EARTH ONLY NATURAL
SATELLITE.
IT TAKES 28 DAYS TO ORBIT THE EARTH. IT´S CALLED THE LUNAR MONTH.

4. STARS, CONSTELLATIONS AND
GALAXIES