The video tutorial covers alternative energy, distinguishing between non-renewable and renewable sources. Non-renewable sources include nuclear and deep earth geothermal energy, while renewable sources encompass solar, wind, hydro, ocean, shallow earth geothermal, and biofuels. The potential of solar energy is highlighted, noting its capacity to meet global energy demands. The tutorial also contrasts passive and active solar energy systems, emphasizing architectural designs that utilize passive solar energy.

What is the primary reason alternative energy is considered 'alternative'?

• It is derived from fossil fuels.

• It is not derived from fossil fuels.

• It is more expensive than traditional energy.

• It is less efficient than traditional energy.

Which of the following is a non-renewable alternative energy source?

• Nuclear energy

• Wind energy

• Solar energy

• Biofuels

Why is deep earth geothermal energy considered non-renewable?

• It is not extracted from the earth.

• The earth replenishes it too slowly.

• It is not a reliable energy source.

• It is too expensive to produce.

Which of the following is NOT a renewable alternative energy source?

• Ocean energy

• Wind energy

• Nuclear energy

• Hydro energy

How much solar energy is absorbed on the earth's surface compared to global demand?

• Equal to global demand

• Seven thousand times greater than global demand

• Half of the global demand

• Twice the global demand

What is a key characteristic of passive solar energy systems?

• They rely on architectural design.

• They require active technology.

• They use mechanical pumps.

• They are less efficient than active systems.

Which architectural feature can help reduce the need for air conditioning in passive solar energy systems?

• Large windows

• Overhangs

• Flat roofs

• Metal walls

What is the benefit of planting deciduous trees in passive solar energy systems?

• They block winter sun.

• They block summer sun and allow winter sun.

• They provide year-round shade.

• They increase the need for heating.

What is the main difference between passive and active solar energy systems?

• Passive systems do not use active technology.

• Active systems are less efficient.

• Active systems rely on architectural design.

• Passive systems use mechanical pumps.

Why might a building facade be placed on a specific side for active solar energy systems?

• To reduce construction costs

• To maximize sunlight absorption

• To minimize sunlight exposure

• To improve aesthetic appeal