Earth Science
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CONDUCTION
CONVECTION
CORE
CRUST
CYCLE
ELECTROMAGNETIC
MANTLE
MATERIAL
MINERAL
NATURAL
NONRENEWABLE
ORE
PETROLEUM
RADIATION
RECYCLING
RESOURCE
TEMPERATURE
THERMAL
| S | U | L | A | N | L | A | I | R | E | T | A | M | N | E |
| X | T | B | W | O | R | L | V | K | R | J | C | U | L | C |
| P | U | M | X | I | S | S | Y | N | S | F | E | E | S | R |
| C | Y | C | L | E | X | X | P | T | Y | L | C | L | J | U |
| U | G | W | U | Q | W | D | Q | D | B | T | O | O | Y | S |
| V | N | O | I | T | A | I | D | A | R | E | N | R | R | T |
| H | P | O | W | J | O | K | W | O | E | M | D | T | P | E |
| L | E | G | T | D | C | E | M | R | C | P | U | E | R | M |
| A | E | L | M | S | N | A | I | E | Y | E | C | P | E | P |
| R | F | C | T | E | G | M | N | I | C | R | T | D | S | T |
| U | O | Q | R | N | N | W | E | M | L | A | I | R | O | G |
| T | Z | N | E | P | A | V | R | T | I | T | O | R | U | E |
| A | O | T | H | E | R | M | A | L | N | U | N | S | R | Z |
| N | I | B | B | L | P | I | L | A | G | R | F | O | C | D |
| C | O | N | V | E | C | T | I | O | N | E | V | P | E | Q |
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