Across
- 1. used to measure time in ancient times with sand
- 4. ___ of a object can be found with distance/time
- 5. the largest unit of time
- 8. used in grandfather clocks, the part which goes to and fro
- 9. used to in our cars to find the speed of it
- 10. stone used in modern clocks
Down
- 2. the fixed quantity of measurement
- 3. the modern way of measuring small lengths
- 4. uses sun to measure time
- 6. the movement of a object
- 7. comparison of a unknown quantity with a known quantity