On the go unit 7 by Siiri

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Across
  1. 3. when something goes from hard to soft
  2. 4. you put your head on it when you sleep
  3. 7. someone who designs different things like houses or machines
  4. 8. liquid that keeps cars going
Down
  1. 1. astronauts need to wear this when they go out in space
  2. 2. these can take from one place to another, for example cars, trains and bikes
  3. 5. something you need so that you can breathe
  4. 6. clothes are made from this material