1. A PLANET CALLED
THE EARTH

3. Lake
air
Polar Region
river
Water
Mountain
Valley

5. 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.

6. OBJECTS IN THE SKY: stars, planets and
satellites.

7. 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

8. THE SEASONS

9. WHY ARE THERE DIFFERENT SEASONS?

10. THE END