Complete the crossword

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Across
  1. 4. Injuries caused by fire or hot objects
  2. 6. Harm caused by swallowing harmful substances
  3. 8. Yellow light in the traffic light means
  4. 9. We may slip on a ___ floor
Down
  1. 1. Crossing place marked with white lines (the long vertical entry running through the whole grid, intersecting every across answer)
  2. 2. Something we apply on cuts to prevent infection
  3. 3. Quick help given before a doctor arrives
  4. 5. A walking place on the side of the road
  5. 7. Green light in the traffic light means