What gas is mainly released by burning fossil fuels?
Carbon dioxide
Why is transporting fossil fuels harmful?
It can cause oil spills and habitat destruction
What harmful type of rain is caused by burning fossil fuels?
Acid rain
What does it mean that fossil fuels are a “finite resource”?
They will eventually run out
How can unequal access to fossil fuels cause conflict?
Countries may go to war or use oil for political power
Name two materials used to create bio-energy.
Wood and waste food
How is methane used in bio-energy?
It is burned to produce electricity and heat
How does geothermal energy work without natural hot springs?
Cold water is pumped underground and heated by hot rocks
What does “hydro” mean in hydroelectricity?
Water
Why aren’t hydrogen fuel cells renewable?
They need electricity to make hydrogen
What are PV cells made of?
Silicon
What is one drawback of wind or wave energy?
They can be unreliable or harm ecosystems
Which creature causes earthquakes in Japanese mythology?
A giant catfish named Namazu
In Mongolian belief, what causes the earth to shake?
A giant frog moving
According to Greek belief, what causes earthquakes?
Trapped winds struggling underground
Who is Jörmungandr?
A sea serpent that shakes the Earth when it moves
