invention

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Across
  1. 1. Cold kitchen box for keeping food fresh
  2. 6. When water gets very hot and bubbles
  3. 7. School work requiring research or making something.
Down
  1. 2. Feeling unsure if something is true
  2. 3. Wild animal like a big dog that howls.
  3. 4. Being liked or known by many people.
  4. 5. Not high; near the ground or bottom.