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Created by Terri Street Copyright, 2000  1,000,0001,000,000  500,000500,000  250,000250,000  125,000125,000  64,00064,000  32,00032,000  16,00016,000.

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Presentation on theme: "Created by Terri Street Copyright, 2000  1,000,0001,000,000  500,000500,000  250,000250,000  125,000125,000  64,00064,000  32,00032,000  16,00016,000."— Presentation transcript:

1

2 Created by Terri Street Copyright, 2000

3  1,000,0001,000,000  500,000500,000  250,000250,000  125,000125,000  64,00064,000  32,00032,000  16,00016,000  8,0008,000  4,0004,000  2,0002,000  1,0001,000    

4 Click to return to question, Cont-P to switch to the pen, cross out two incorrect answers, then Cont-A to switch back to pointer.

5 Click to return to the question and poll the class

6 Click on link to Ask Jeeves, or click on this oval to return to question and ask a friend

7  B. Electrons B. Electrons  C. Atoms C. Atoms  A. Protons A. Protons  D. Neutrons D. Neutrons Electricity is the movement of charged particles, usually…..

8 Back to Board  B. Electrons

9  A. Copper A. Copper  C. Wood C. Wood  B. Tin B. Tin  D. Graphite D. Graphite Which of the following is an insulator?

10 Back to Board C. Wood

11  A. Switch A. Switch  C. Rheostat C. Rheostat  B. Bulb B. Bulb  D. Battery D. Battery This symbol represents a …

12 Back to Board B. Bulb

13  D. coloured symbols D. coloured symbols  C. use pencil C. use pencil  B. 90° corners B. 90° corners  A. Straight lines A. Straight lines Which of the following is not a rule for drawing circuit diagrams?

14 Back to Board D. Coloured symbols

15  A. Resistor A. Resistor  C. Bulb C. Bulb  D. Fuse D. Fuse  B. Variable resistor B. Variable resistor Rheostat is another name for a …

16 Back to Board B. Variable resistor

17  A. Resistance A. Resistance  C. Current C. Current  B. Voltage B. Voltage  D. Power D. Power Flow of electrons is known as the...

18 Back to Board C. Current

19  A. Current A. Current  C. Resistance C. Resistance  B. Voltage B. Voltage  D. Power D. Power Energy gained or lost is known as the …

20 Back to Board B. Voltage

21  A. Current meter A. Current meter  C. Ammeter C. Ammeter  B. Voltmeter B. Voltmeter  D. Rheostat D. Rheostat The instrument used to measure current is called a…

22 Back to Board C. Ammeter

23  A. Watt A. Watt  D. Amp D. Amp The unit of current is the…  C. Ohm C. Ohm  B. Volt B. Volt

24 Back to Board D. Amp

25 Voltage is calculated by… A. Voltage x current C. current/Resistance B. Resistance/current D. Resistance x current

26 Back to Board D. Resistance x current

27  A. Battery lasts A. Battery lasts longer Which of the following is not an advantage of a parallel circuit?  C. Bulbs can work C. Bulbs can work independently  B. bulbs same B. bulbs same brightness  D. Bulbs work if D. Bulbs work if one blows

28 Back to Board A. Battery lasts longer

29  B. the same in B. the same in Voltage in a parallel circuit is … all branches  A. different in A. different in  C. divided equally in C. divided equally in  D. shared between D. shared between

30 Back to Board B. The same in

31  C. 4.5 volts C. 4.5 volts A 9v battery is connected in series to 2 bulbs, 1 bulb uses 4.5 units of energy. How much does the other bulb use?  A. 4.5 watts A. 4.5 watts  B. 9 volts B. 9 volts  D. 4.5 amps D. 4.5 amps

32 Back to Board C. 4.5 volts

33  C. All the same C. All the same In a parallel circuit 2,4 and 6 amps flow in branch a,b and c respectively. Which branch has the brightest bulb?  A. branch a A. branch a  D. branch c D. branch c  B. branch b B. branch b

34 Back to Board C. All the same

35  A. 12v bright A. 12v bright 2x 6v dimmer A 2 branch parallel circuit is built containing a 12v battery and 3 bulbs. What is the voltage and brightness of each bulb?  B. 12v bright B. 12v bright 2x 6v bright  D. 12v dim D. 12v dim 2x 6v bright  C. 3 x 12v bright C. 3 x 12v bright

36 A. 12v bright, 2x 6v dimmer

37 Sorry, try again!

38 Thanks for playing!


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