- The atmosphere: composition and layers.
- The hydrosphere.
- The water cycle.
- The geosphere: crust, mantle and core.
- Component of the crust: rocks and minerals.
- Changes in the Earth's crust: Volcanoes, earthquakes and Weathering.
THE HYDROSPHERE AND WATER CYCLE:
THE GEOSPHERE AND THE ROCKS:
CHANGES ON THE EARTH'S CRUST: VOLCANOES, EARTHQUAKES AND WEATHERING.