Across
- 4. Scientist who try finding life on another planet.
- 7. This layer has a temperature of 1500ºC.
- 8. Life could have existed in this planet.
- 10. This layer of the atmosphere has the lowest temperature.
- 11. The atmosphere is a layer almost 10,000km ____.
- 12. When the temperature is high there is more water ____.
Down
- 1. The hydrosphere is formed by oceans, seas, rivers and ____.
- 2. This zone consists a mixture of gases.
- 3. Is divided into 3 zones.
- 5. This zone consists of the crust and mantle.
- 6. Consists of all the water in Earth.
- 9. We changes in the weather in this layer.