Who Wants To Be A Millionaire (Scientist)? Answer these questions by simply holding up the letter of your choice on your whiteboards.

1. What is the name of this piece of electrical equipment? Cell Battery Bulb Switch B C D

Incorrect A C D Return to Start Next question

Correct B Correct – Well done! Return to Start Next question

2. What is the name of this piece of electrical equipment? Cell Battery Bulb Switch B C D

Correct A Well done Return to Start Next question

Incorrect B C D Return to Start Next question

3. What is the main energy transfer in a lamp? Light to electrical Electrical to chemical Electrical to light Heat to electrical B C D

Incorrect A B D Return to Start Next question

Correct C Correct Return to Start Next question

4. This is the circuit symbol for which piece of electrical equipment? Cell Battery Bulb Switch B C D

Incorrect A B C Return to Start Next question

Correct D Correct! Return to Start Next question

5. This is the circuit symbol for which piece of electrical equipment? Battery Fuse Switch Resistor B C D

Incorrect A B No. C Return to Start Next question

Correct D Correct Return to Start Next question

6. Electricity flows through a wire. We call this a current 6. Electricity flows through a wire. We call this a current. Current is measured in what units? A Watts B Amps Joules C Volts D

Incorrect A C D Return to Start Next question

Correct B Well done! Return to Start Next question

7. What instrument do we use to measure electric current? Ammeter Wattmeter Joulemeter Voltmeter B C D

Correct A Well done!. Return to Start Next question

Incorrect B C D Return to Start Next question

8. All lamps have some resistance 8. All lamps have some resistance. Putting a lamp with large resistance into a circuit will…. A Make the voltage bigger B Make the voltage smaller Make the current bigger C Make the current smaller D

Incorrect A B C Return to Start Next question

Correct D Well done! Return to Start Next question

9. You have identical lamps and cells, Which combination gives the brightest circuit? One cell connected to one lamp Two cells connected to two lamps in series Two cells connected to one lamp Two lamps in parallel connected to one cell B C D

Incorrect A No, not quite! B D Return to Start Next question

Correct C Correct Return to Start Next question

10. A fuse is used in some electrical circuits. Why is this done? To prevent voltage from getting too big To create a warning sound in case of danger To provide light and heat To prevent current from getting dangerously large B C D

Incorrect A C D Return to Start Next question

Correct B Well done! Return to Start Next question

11. Two lamps are connected side-by-side, so that the current is shared between them. We call this connected …? A In a circle In a loop. In series In parallel B C D

Incorrect A C D Return to Start Next question

Correct B Well done! Return to Start Next question

12. Lamps in your house are often connected in parallel 12. Lamps in your house are often connected in parallel. This is a good idea because….? A You can switch them on and off separately They are cheaper. They are dimmer They use less current B C D

Incorrect B C D Return to Start Next question

Correct A Well done! Return to Start Next question

13. Two lamps are connected in line, so the current flows through each 13. Two lamps are connected in line, so the current flows through each. They are said to be connected how? A In a circle In a loop In series In parallel B C D

Correct C Well done!. Return to Start Next question

Incorrect B C D Return to Start Next question

14. Christmas tree lights are often connected in series 14. Christmas tree lights are often connected in series. This is not a good idea because…..? A They use more energy They aren’t as colourful There isn’t a complete circuit If one light breaks they all go out B C D

Incorrect A C D Return to Start Next question

Correct B Well done! Return to Start Next question

15. A second identical lamp is added in series to the circuit shown 15. A second identical lamp is added in series to the circuit shown. What will happen? A Both lamps will be brighter B The cell will have more voltage C One lamp will be brighter and the other dimmer D Both lamps will be dimmer

Incorrect A No, not quite! B C Return to Start Next question

Correct D Correct Return to Start Next question

You are well on the way to being a millionaire scientist!