The crossword

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Across
  1. 3. what is thors hammer called
  2. 5. The broken parts that are left from a old building after it has been destroyed
  3. 7. What gas takes up to 78% of air
  4. 9. what cant we bring to school
Down
  1. 1. The fastest animal in the world
  2. 2. What is the most hardest job in the world
  3. 3. the most popular game ever
  4. 4. What is the biggest country in the world
  5. 6. Land Th hardest game in the world
  6. 8. What takes up 97%of the world