The document describes the three main layers that make up the Earth: the atmosphere, hydrosphere, and geosphere. The atmosphere contains air, oxygen, and nitrogen. The hydrosphere is composed of oceans, rivers, lakes, seas, water, and snow. The innermost geosphere layer contains continents, land, and rocks, and is divided into the crust, mantle, and core.

1. S O C I A L S C I E N C E
3 R D O F P R I M A R Y
THE EARTH

2. 3 LAYERS OF THE EARTH
 Atmosphere: layer of air
 Hidrosphere: layer of water
 Geosphere: layer of rocks

3. ATMOSPHERE
In the atmosphere there are:
- Air
- Oxygen
- Nitrogen

4. HYDROSPHERE
In the hydrosphere there are:
- Oceans
- Rivers
- Lakes
- Seas
- Water
- Snow

5. GEOSPHERE
In the geosphere there are:
- Continents
- Land
- Rocks
- 3 layers: crust, mantle, core