Fossil fuels
Starter
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BURNING
CAPROCK
CHEMICAL
COAL
ENERGY
FIRE
FOSSILS
FUEL
HEAT
HEAT
LIGHT
OIL
PETROL
REMAINS
SMOKE
| T | L | E | U | F | L | A | O | C |
| H | O | N | F | O | F | R | H | A |
| G | R | E | I | S | E | E | E | P |
| I | T | R | R | S | M | M | A | R |
| L | E | G | E | I | O | A | T | O |
| E | P | Y | C | L | I | I | K | C |
| R | J | A | C | S | L | N | G | K |
| V | L | E | K | O | M | S | A | O |
| M | I | B | U | R | N | I | N | G |
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