Week 1 Vocabulary 5

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Across
  1. 4. small devices
  2. 5. takes in gas
  3. 6. failure
  4. 9. giving of light
Down
  1. 1. makes popping noises
  2. 2. moves slowly and noisily
  3. 3. train engines
  4. 7. legal document for invention
  5. 8. machine that plays sound