Untitled Quiz

What is the estimated percentage of the world's oil that has been consumed?

• 80%

• 60%

• 40%

• 20%

According to present estimates, how many years until we run out of oil and gas?

• 50 years

• 25 years

• 100 years

• 10 years

What percentage of our energy needs is currently provided by renewable energy sources?

• 25%

• 13%

• 5%

• 50%

What is the approximate amount of solar energy radiated at the Earth in watts?

• 87 quadrillion watts

• 17 quadrillion watts

• 173 quadrillion watts

• 350 quadrillion watts

Where should solar plants be located to maximize efficiency?

• Mountains

• Forests

• Oceans

• Deserts

What is the main challenge in transporting energy through power lines?

• Material cost

• Energy loss

• Length of the lines

• Resistance to weather

What is the main challenge in storing renewable energy for transportation?

• Energy density

• Availability of materials

• Weight of the storage

• Cost of the storage

What is the main issue with current lithium ion batteries compared to gasoline?

• Energy density

• Cost

• Availability

• Weight

What is the main challenge in converting solar energy into chemical energy?

• Efficiency

• Cost

• Energy density

• Material availability

What is a key factor in transitioning towards all-renewable energies?

• Combination of technology, economics, and politics

• Politics only

• Economics only

• Technology only