Renewable Energy Quiz

What percentage of the world's oil has been estimated to have been consumed?

• 60%

• 40%

• 20%

• 80%

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

• 100 years

• 10 years

• 50 years

• 25 years

What percentage of our energy needs does renewable energy currently provide?

• 5%

• 50%

• 13%

• 25%

What is the approximate amount of solar energy that reaches the Earth in watts?

• 50 quadrillion watts

• 10 quadrillion watts

• 173 quadrillion watts

• 100 quadrillion watts

Where should solar plants be located to maximize efficiency?

• Mountains

• Forests

• Deserts

• Oceans

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

• Efficiency

• Cost

• Availability

• Energy loss

What type of batteries are currently being improved for energy storage?

• Nickel-cadmium batteries

• Lithium-ion batteries

• Lead-acid batteries

• Alkaline batteries

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

• Availability

• Cost

• Weight

• Energy density

What is the main focus of the transition towards all-renewable energies?

• All of the above

• Politics

• Economics

• Technology

What is needed to discover new superconducting materials that operate at room temperature?

• All of the above

• Powerful incentives

• Innovation

• Creativity