9i energy and electricity multiple choice test
TRANSCRIPT
Chapter 3 Multiple choice test
Chapter 3 Energy and electricity
SoW ref 9I Energy and electricity
Name Class Teacher
There is only one correct answer to each question. Tick () the box next to the answer that you think is right.
1 Which of the following words is not used to describe energy transfers?A chemical B currentC kinetic D potential
2 What job does a voltmeter do in an electrical circuit?A completes the circuit between two pointsB measures the current between two pointsC measures the potential difference between two pointsD provides a by-pass for the electricity
3 Which of the following diagrams show the energy transfers in a windup/clockwork toy car?A B
C D
Hodder Science Assessment Pack © 2003 Hodder & Stoughton Educational
Chapter 3 Multiple choice test
4 Which answer is the correct reading on the voltmeter in the diagram?
A 0 V B 2 VC 4 V D 6 V
5 An orange has zinc and copper strips put in it. It is connected to a circuit. What job is it doing?A battery B bulbC connecting wire D voltmeter
6 Overhead power lines, or railway live rails, can kill you more quickly than ordinary mains supply. This is because theyA are easy to get to B have a high currentC have a high voltage D have warning notices
7 The diagram shows two readings from the electricity meter in a house. What would be the cost of the electricity used in this time? Electricity costs 10p a unit.
A 430p B (430 x 10)pC (2410 x 10)p D (2840 x 10)p
8 Which of the following devices cannot be used to store energy?A battery B clockwork springC dynamo D fuel tank
Hodder Science Assessment Pack © 2003 Hodder & Stoughton Educational
Chapter 3 Multiple choice test
9 A light bulb is marked ‘100 Watts’. What does this tell you?A how efficient it isB how long it will lastC how much energy it uses per secondD the supply it should be connected to
10 An energy saving electric light bulb costs £5 more than an ordinary light bulb, but it will last much longer. How long will it take to pay back the extra cost? Electricity costs 10p a unit.
A 100 hours B 500 hoursC 1000 hours D 5000 hours
11 Which of the following types of power station cannot be used reliably to cope with peak demand?A gas fired B pumped storageC nuclear power D wind power
12 Which of the following is not an environmental problem caused by electricity supply?A destruction of habitats by tidal powerB high cost of crude oil and petroleumC long-term storage of nuclear wasteD visual pollution from wind farms
Hodder Science Assessment Pack © 2003 Hodder & Stoughton Educational