Energy Sources

Which of these is not currently a source of usable energy?

• The Sun

• The Moon

• Heat from within Earth's crust

• Running water

Which of these is an example of biomass energy?

• A solar panel

• A wood-burning stove

• A hydroelectric dam

• An electric car

Where would you be likely to find a generator?

• At a power plant that powers an entire town

• Inside a coal-burning stove

• In the furnace that heats your school

• In your car's gas tank

What can you infer about fossil fuels from their name?

• They've been buried in Earth's crust for millions of years

• They emit harmful gases when burned

• They're the most abundant energy source on the planet

• They're used to make gasoline

Which of the following is a true statement about fossil fuels?

• There is an infinite supply of them within Earth's crust

• They are very difficult to refine into usable fuel

• Burning them creates air pollution

• They are not carbon-based

A non-renewable energy source cannot:

• Be replenished

• Produce electricity

• Be burned

• Pollute the environment

In the word "hydroelectricity," which of the following does the prefix "hydro-" relate to?

• 
• 
• 
• 

Which of the following is NOT a renewable energy source?

• Nuclear energy

• Hydroelectric energy

• Geothermal energy

• Solar energy

What happens in nuclear fission?

• Energy is released when atoms collide with one another

• Energy is released when atoms are split apart

• Energy is released when atoms travel at the speed of light

• Energy is released when atoms are combined

Why are fuel cells considered a "clean" energy source?

• The electricity they produce cannot harm humans

• They produce a kind of soap when burned

• They do not have to be manufactured in factories

• They do not emit environmentally harmful byproducts