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Across
  1. 1. to go from one place to another, usually over a long distance
  2. 4. the language that is spoken in the UK, US and many other countries
  3. 5. the study of living things
  4. 7. the study of natural forces , such as energy, heat, light, etc.
Down
  1. 2. the time between 6pm and 11pm
  2. 3. to move through water by moving your body
  3. 5. having a lot of thing to do
  4. 6. the food you eat in the middle of the day
  5. 8. the study of events in the past