Exploring Self-Sustaining Homes

Which of the following is a renewable energy source commonly used in self-sustaining homes?

• Coal

• Solar power

• Natural gas

• Oil

What is the main purpose of a rainwater harvesting system in a self-sustaining home?

• To increase electricity usage

• To collect and store water for household use

• To heat the home

• To generate wind power

Which material is often used for insulation in eco-friendly, self-sustaining homes?

• Plastic

• Straw bales

• Steel

• Concrete

What does the term "off-grid" mean in the context of self-sustaining homes?

• Connected to the city’s water supply

• Not connected to public utilities

• Using only fossil fuels

• Built in urban areas

Which of the following is a benefit of using LED lighting in self-sustaining homes?

• Higher energy consumption

• Lower energy consumption

• Produces more heat

• Requires more maintenance

Which device is used to convert sunlight into electricity in self-sustaining homes?

• Wind turbine

• Solar panel

• Water heater

• Gas generator

Which of the following is a basic feature of a self-sustaining home?

• Reliance on external food sources

• Ability to produce its own energy

• Use of only non-renewable resources

• High water wastage

What is the main function of a composting toilet in a self-sustaining home?

• To use more water

• To recycle human waste into fertilizer

• To generate electricity

• To store rainwater

Which of the following best describes "greywater" in a self-sustaining home?

• Water from toilets

• Water from sinks, showers, and washing machines

• Rainwater

• Drinking water

Which renewable energy source uses moving air to generate electricity for self-sustaining homes?

• Solar power

• Wind power

• Geothermal power

• Hydroelectric power