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Explore foundational concepts in energy and electricity through a series of engaging questions. This educational resource covers the various forms of energy, energy changes in machines, and the principles of voltage and circuits. Learn about sources of electricity, energy efficiency, and the behavior of series circuits. Each section presents multiple-choice questions designed to encourage critical thinking and reinforce knowledge of electrical principles. Perfect for students and those interested in physics or engineering!
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1. Which of these is not a form of energy? • Kinetic • Petrol • Light • Sound Response Grid
2. Which of these has the most GPE? • A parachutist on a runway • A parachutist going into a ‘plane • A parachutist jumping out of a ‘plane • A parachutist after landing Response Grid
3. What are the energy changes in a candle? • Heat to light • Heat to sound • Light to heat • Chemical to heat and light Response Grid
4. A machine is something which: • Changes energy • Creates energy • Destroys energy • Makes things Response Grid
5. The units for voltage are: • Amps • Ohms • Volts • Metres Response Grid
6. Which circuit diagram shows how to measure voltage? • A • B • C • D Response Grid
7. Voltage is: • Another name for current • A way of counting the cells in a circuit • A way of saying how much energy the current is carrying • Something which makes it difficult for current to flow Response Grid
8. Which statement is not true for a series circuit? • The voltage is always the same for all components • The voltage across each component depends on how much energy it uses • The voltage across all the components adds up to the voltage across the cell • The voltage can be measured using a voltmeter Response Grid
9. Where is electricity generated? • In the home • In a power station • In the mains • In the wires Response Grid
10. The energy in electricity comes from: • Energy stored in fuels, winds or water • Energy stored in food • Energy in the wires • Energy in the switches Response Grid
11. A cell is: • A jail • A store of chemical energy • Mains electricity • A power pack Response Grid
12. High voltages are dangerous because: • They cost a lot to produce • They do not transfer much energy • They can transfer a lot of energy • They are poisonous Response Grid
13. Which statement is true? • You always put more energy into a machine than you get out • You always get more energy out of a machine than you put in • The amount of energy you get out of a machine is always exactly the same as the energy you put in • The amount of energy you get out of a machine does not depend on the amount you put in Response Grid
14. Which is the correct energy flow diagram for a television? • A • B • C • D Response Grid
15. Which forms of energy are often produced as wasted energy? • Heat and light • Heat and sound • Sound and light • Sound and kinetic Response Grid
16. An efficient machine: • Does not waste much energy • Wastes a lot of energy • Is more expensive to run than an inefficient machine • Is more expensive to buy than an inefficient machine Response Grid
