NEW
Font size
WorksheetsEnergy Sources
Total questions: 10
Worksheet time: 5mins
Which of these is not currently a source of usable energy?
The Sun
The Moon
Heat from within the earth's crust
Running water
What can you infer about fossil fuels from their name?
They emit harmful gases when burned.
They've been buried in the earth's crust for millions of years.
They're the most abundant energy source on the planet.
They're used to make gasoline.
Where would you be likely to find a generator?
At a power plant that supplies electricity to an entire town.
Inside a coal-burning stove.
In the furnace that heats your school.
In your car's gas tank.
How do generators use magnets to create electricity?
A magnet can induce an electric current in a coil of wire
A magnet can separate electrically-charges particles from non-charged particles
A magnet can attract electric energy from the air and transfer it to a wire
A magnet can draw electrical energy from within the earth's crust
In the word "hydroelectricity," which of the following does the prefix "hydro-" relate to? Choose the best answer.
Which of the following is a true statement about fossil fuels?
Burning them creates air pollution
There is an infinite supply of them within the earth's crust
They are very difficult to refine into usable fuel
They are not carbon-based
What happens in nuclear fission?
Energy is released when two atoms collide with one another
Energy is released when two atoms travel at the speed of light
Energy is released when an atom is split apart
Energy is released when two atoms are combined
In what order were the following energy sources discovered by humans?
Biomass energy was discovered first; then fossil fuels, then fuel cells
Fossil fuels were discovered first, then fuel cells, then biomass energy
Fuel cells were discovered first; then fossil fuels, then biomass energy
Biomass energy was discovered first, then fuel cells, then fossil fuels
Which of these is an example of biomass energy?
A coal-burning generator
A wood-burning stove
A gasoline-burning automobile
An automobile that operates on fuel cells
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
