Niko's Niko Level Crossword

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Across
  1. 3. I have 26 letters
  2. 6. A form of Measurement
  3. 9. An act of exploding
  4. 10. A way to measure a circle
Down
  1. 1. A person with no parents
  2. 2. It clogs up the road
  3. 4. A round shape
  4. 5. To learn where other countries are
  5. 7. An item sold at a supermarket
  6. 8. The middle of something