How is Maple Syrup Made?

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Across
  1. 1. Hot air
  2. 3. Yummy breakfast food
  3. 6. Opposite of solid
  4. 7. Part of a plant that grows in the ground
Down
  1. 1. What people put on pancakes
  2. 2. Flavor of syrup
  3. 4. Sweetener
  4. 5. Moves along