Edward cent crossword😙

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Across
  1. 3. some one who is 100+ years old
  2. 4. a 100th of a dollar
  3. 6. 100 years
  4. 7. a 100th of a metre
  5. 8. a bug with 30 to 300 legs
Down
  1. 1. a 100th year anniversary
  2. 2. a measurement temperature where water boils at 100 and freezes at 0
  3. 5. someone commands 100 people
  4. 7. a prefix meaning a 100th