Vocabulary Crossword

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Across
  1. 3. When something or someone is no longer visible or present.
  2. 5. Changed in form, appearance, or structure.
  3. 6. Having or showing a lot of energy or enthusiasm.
Down
  1. 1. How a person acts or does things, especially around others.
  2. 2. The act of watching something carefully in order to gain information.
  3. 4. A sudden, short burst of activity or excitement.
  4. 5. An idea or set of ideas intended to explain facts or events.