Across
- 3. Keeps the house warm in winter and cool in summer.
- 4. Controls the temperature and air quality.
- 5. Protects the house from rain and snow.
- 7. The skeleton of the house.
- 8. Protects the house from the weather.
Down
- 1. Brings fresh water into the house.
- 2. Provides power for lights and appliances.
- 6. The base of the house.