1.1 Vocabulary

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Across
  1. 5. legal documents to protect inventions from being stolen
  2. 6. in a car engine, take in gas to make other parts move
  3. 7. when something works in a rough or uneven way and makes popping noises
  4. 9. a complete failure
  5. 10. small, specialized machines or electronic devices
Down
  1. 1. the engines that make a train go forward
  2. 2. when a machine moves slowly and noisily
  3. 3. something that gives off light
  4. 4. 3d shape with circular ends and straight sides
  5. 8. a machine that plays recorded music or sounds