Easy (6-8)
This type of fire burns under the ground instead of above it.
Underground fire
This state is where Centralia is located.
Pennsylvania
One dangerous gas released by the fire that can harm people is this.
Carbon monoxide
This town had to be mostly abandoned because of the fire.
Centralia
The fire started around this decade.
The 1960's
The fire is expected to keep burning for this long.
Many years or even hundreds of years
The fire started in this type of rock that can burn.
Coal
The fire began in an area used for this (throwing away trash).
Landfill or trash pit
The government helped move people out of the town; this is called this type of action.
Evacuation or relocation
People had to leave their homes to stay .
Safe
The fire spread through the underground layers of this fuel.
Coal seams
The fire is hard to stop because it is burning in this hidden location.
Underground
What is something you might see coming out of the ground because of the fire?
Smoke or steam
The ground in some places became dangerous because it could do this.
Crack open or collapse
This is one reason scientists study places like Centralia.
To understand fires or protect people