8A U4

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Across
  1. 4. a device(thing) for giving light
  2. 6. to make something new
  3. 7. introduce one person/thing to others.
  4. 8. one of the round things under a car, bus, bicycle etc that turns when it moves
Down
  1. 1. a picture, short film, song, etc. which tries to persuade people to buy a product or service
  2. 2. a person who is travelling in a car but is not driving it
  3. 3. relaxed and free from pain
  4. 5. the amount of space between two places
  5. 8. one of the parts of a bird's or insect's body that it uses for flying