Clocks
Crossword
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.
___________ Hand is long and thin. It shows ‘minute’.
3.
________ clocks are making use of periodic vibrations occurring within the atom.
5.
______ clock displays the time directly
6.
_________ are used to measure time intervals.
7.
___________ clocks are activated by ‘electronic oscillations’, which are controlled by a ‘quartz crystal’.
Down:
2.
__________ Hand is long and very thin. It shows ‘second’.
4.
_______ Hand is short and thick. It shows ‘hour’.
OK