Subject

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Across
  1. 5. the radius of a circle
  2. 6. high score
  3. 8. you don't learn at home but you get mark 10
  4. 9. Why is there an extra day every 4 years (earth spin around sun is a year)
  5. 10. what does the Japan flag looks like
Down
  1. 1. how long does it take for the earth to spin around itself 360°
  2. 2. how does the earth spin
  3. 3. who is the first to invent the lightbulb?
  4. 4. how to make nothing
  5. 7. what will you have if you do something every day?