It takes place in the past. Using a fireplace for heating is rare in the modern day, as is using the word "parlor" instead of "living room."
Magnesium (Mg) along with other metals such as aluminum & titanium does turn brightly colored when its burned and is the principle behind the bright colors you see during a fireworks display.
Mg
The sun shone so bright people got burned.
that does not make sense
No, you can't walk in a volcano without getting burned.. Even the most expert on volcanos die when they are too close.
You can't.
Wood can be burned without using a torch by using a match or lighter to ignite it. The heat from the flame will start the combustion process, causing the wood to burn.
No
they used candles and burned them from the fire
carbon monoxide
No, you cannot