Metal Bowl to Burn Wood in for Warmth or to Cook

Puzzle 20 of Science Fair Projects Piece of Cake Pack

Question is: Metal Bowl to Burn Wood in for Warmth or to Cook

and the answer is: FIREPIT

Word Meaning:

FIREPIT — A pit dug in the ground, or constructed from stones, in which a fire is made, principally for cooking.

Definitions from Wiktionary.