1) Which of the following is not a fossil fuel? a) coal b) oil c) gas d) wind 2) Oil is formed from: a) water. b) dead plants c) dead sea animals d) rocks. 3) Which is true? a) Renewable energy resources will run out one day. b) Renewable energy resources will not run out. c) Non-renewable energy resources will not run out. d) None of our energy resources will run out. 4) Put these parts of a power station in the correct order: a) boiler, generator, turbine b) generator, turbine, boiler c) generator, boiler, turbine d) boiler, turbine, generator 5) What are the energy changes in a falling ball? a) gravitational potential to light b) chemical to kinetic c) gravitational potential to kinetic d) chemical to sound 6) Which statement is not true about magnetic materials? a) They can be made into magnets. b) They are repelled by magnets. c) They are used in the magnets people put on fridge doors. d) They are attracted to magnets. 7) diagram shows the shape of the magnetic field of a bar magnet? a) A b) B c) C d) D 8) Which statement about electromagnets is not true? a) They can be switched on and off. b) They are always magnetic. c) They are made from coils of wire. d) They need electricity to make them magnetic. 9) The shape of the magnetic field around an electromagnet is: a) not like the shape of the field around a bar magnet. b) straight. c) like the shape of the field around a bar magnet. d) square. 10) Will this bulb light and why? a) Yes, because it has a battery, wires and bulb b) No. because the battery is the wrong way round c) Yes, because the battery is strong enough d) No, because the circuit is broken where the bulb is. 11) If the wire broke at A2 what would happen to the bulbs and why? a) Both would go off because it is a series circuit b) Only one would go off because it is a series circuit c) Both would go off because it is a parallel circuit d) Only one would go off because it is a parallel circuit 12) If one bulb was removed from the circuit what whould happen to the other one and why? a) It would stay on because it is a series circuit b) It would turn off because it is a parallel circuit c) It would turn off because it is a series circuit d) It would stay on because it is a parallel circuit 13) Which bulb would be the brighest and why? a) The bottom left one because it gets all the voltage b) The top one because it gets half the voltage c) The top one because it gets all the voltage d) The bottom left one because it gets half the voltage 14) How could you make a bulb in a circuit brigher? a) Add a second bulb in series with it b) Make the wires shorter c) Add a second battery next to the first one d) Add a second bulb in parallel to it 15) What will happen to the current in a circuit when you add a second bulb in series? a) It will stay the same b) It will increase c) It will decrease d) It will double 16) Why will this happen? a) Because the current is used up b) Because the current is split between two bulbs c) Because there is more resistance in the circuit d) Because there is less resistance in the circuit.

by Anonymous

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