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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	3													4					5
6
7										8
	9															10
					11				12
							13			14			15
			16
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18											19
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	21

 Check 

Across: 6. Shows if an object is charged 7. Ohms law says voltage is proportional to current provided____ is constant 9. Used in electronic thermometers 12. Unit of resistance 14. Measures current 17. Voltmeter is wired in ________ 18. Ratio of voltage and current 19. Unlike charges _________ 20. Wire connecting tanker to plane 21. ________ current flows from positive to negative

Down: 1. Many cells form this 2. Allows current to flow one way 3. Voltage 4. Unit of charge 5. Like charges ______ 8. Connect to _____ to discharge 10. Unit of current 11. Measures potential difference 13. Light ______ Resistor 15. Negative charge 16. Components lined up one after the other