WATER

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Across
  1. 3. A liquid that can be used in car engines
  2. 6. The most common compound on Earth
  3. 8. EXPANSION A phenomenon where substances expand when heated
Down
  1. 1. METAL A substance that dissolves in almost nothing
  2. 2. Something required in large amounts to heat water
  3. 4. An element, along with hydrogen, that makes up water
  4. 5. SOLUBLE A salt of which less than one gram dissolves in one liter of water
  5. 7. TENSION A phenomenon that allows various water insects to move on the surface of water