Motion and Measurement of distances

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Across
  1. 5. 1000 metres are equal to a _________.
  2. 8. 0.01 centimetres are equal to a __________.
  3. 10. The International System of Units unit of length is _____.
  4. 11. The short form of International System of Units is __.
  5. 14. A ______ is equal to 0.001 kilometres.
  6. 15. A motion in a straight line is called a ___________ motion.
Down
  1. 1. A fixed quantity is known as a ____.
  2. 2. A fan moves in a ________ motion.
  3. 3. 10 millimetres are equal to a __________.
  4. 4. What is the length from the elbow to the finger tips called?
  5. 6. Electric trains, monorails etc. were created in which century _________. (Write number name not number)
  6. 7. Which motion is an object in if it repeats its motion after some time?
  7. 9. In which ancient country was cubit used?
  8. 12. Which system was created in 1790?
  9. 13. Which people created the metric system?