Measurement
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
1.
SI unit of volume
3.
A derived quantity
4.
A unit of length used to measure very long distances
Down:
2.
A liquid denser than iron
OK