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CR
Energy Crossword
33
Kilowatt: A Thousand Watts
Turbine: A device with blades that can be turned by air, steam or water
Fluid: A liquid or a gas
Geothermal: Energy from the Earth’s hot rocks
Wave: Energy from the sea’s movement due to the wind
Electricity: Energy of moving electrons
Chemical: Energy stored in fuels and food
Nuclear: Energy stored in the central part of atoms
Wasted: Energy which is not useful
Carbondioxide: Fossil fuels produce this greenhouse gas (six,six)
Biomass: Growing crops to make fuels
Convection: Heat transfer in fluids
Conduction: Heat transfer through particles in contact
Radiation: Heat transferred by infra-red waves
Kinetic: Movement energy
Nationalgrid: Network of cables and power stations to supply electricity to homes and businesses (eight,four)
Fossilfuels: Oil, coal and gas (six,five)
Kilowatthour: A unit of electrical energy used for bills (eight-four)
Reliable: Any energy source that is available all the time
Conservation: C______ of energy means none can be created or destroyed
Transformer: Changes the voltage of electricity
Gravitational: Energy an object has due its height
Temperature: Particles vibrate faster as this increases
Wind: Power from convection currents in the air
Hydroelectric: Producing electricity from falling water
Ten: The percentage efficiency of a sixty W light bulb that produces six W of light energy
Uranium: The fuel for nuclear power stations
Reactor: The heart of a nuclear power station
Thousand: The number of Joules a one hundred Watt bulb transfers in ten seconds
Sixty: The number of Joules a sixty Watt light bulb transfers in one second
Four: The number of units used by a eight kW shower used for thirty minutes
Efficiency: The ratio of useful energy to total input energy
Power: The speed with which energy is transferred
Heat: What most appliances produce, which is wasted energy
Insulators: What we call poor conductors
Generator: Turns kinetic energy into electrical energy
Power: The speed with which energy is transferred
Payback: The time it takes for an energy saving improvement to pay for itself
Joule: The unit of energy
Watt: The unit of power, one Joule per second
Solar: These cells convert sunlight to electricity
Stepup: Type of transformer that increases voltage (four-two)
Expand: What materials do when they get hotter
Energy Crossword
Across:1. | A liquid or a gas | 6. | Growing crops to make fuels | 7. | Turns kinetic energy into electrical energy | 8. | Heat transfer through particles in contact | 9. | Producing electricity from falling water | 11. | A unit of electrical energy used for bills (eight-four) | 13. | The heart of a nuclear power station | 15. | Power from convection currents in the air | 16. | A device with blades that can be turned by air, steam or water |
| 17. | The percentage efficiency of a sixty W light bulb that produces six W of light energy | 22. | Energy from the sea’s movement due to the wind | 23. | The number of Joules a one hundred Watt bulb transfers in ten seconds | 25. | Any energy source that is available all the time | 26. | What materials do when they get hotter | 27. | What most appliances produce, which is wasted energy | 28. | The speed with which energy is transferred | 28. | The speed with which energy is transferred | 29. | The unit of energy |
| | Down:1. | The number of units used by a eight kW shower used for thirty minutes | 2. | Movement energy | 3. | The number of Joules a sixty Watt light bulb transfers in one second | 4. | The fuel for nuclear power stations | 5. | A Thousand Watts | 8. | Heat transfer in fluids | 10. | Fossil fuels produce this greenhouse gas (six,six) | 12. | Energy of moving electrons |
| 14. | C______ of energy means none can be created or destroyed | 18. | Energy stored in the central part of atoms | 19. | These cells convert sunlight to electricity | 20. | Energy which is not useful | 21. | Type of transformer that increases voltage (four-two) | 22. | The unit of power, one Joule per second | 24. | Heat transferred by infra-red waves |
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© 2012
PuzzleFast.com, Noncommercial Use Only
Energy Crossword
Across:1. | A liquid or a gas | 6. | Growing crops to make fuels | 7. | Turns kinetic energy into electrical energy | 8. | Heat transfer through particles in contact | 9. | Producing electricity from falling water | 11. | A unit of electrical energy used for bills (eight-four) | 13. | The heart of a nuclear power station | 15. | Power from convection currents in the air | 16. | A device with blades that can be turned by air, steam or water |
| 17. | The percentage efficiency of a sixty W light bulb that produces six W of light energy | 22. | Energy from the sea’s movement due to the wind | 23. | The number of Joules a one hundred Watt bulb transfers in ten seconds | 25. | Any energy source that is available all the time | 26. | What materials do when they get hotter | 27. | What most appliances produce, which is wasted energy | 28. | The speed with which energy is transferred | 28. | The speed with which energy is transferred | 29. | The unit of energy |
| | Down:1. | The number of units used by a eight kW shower used for thirty minutes | 2. | Movement energy | 3. | The number of Joules a sixty Watt light bulb transfers in one second | 4. | The fuel for nuclear power stations | 5. | A Thousand Watts | 8. | Heat transfer in fluids | 10. | Fossil fuels produce this greenhouse gas (six,six) | 12. | Energy of moving electrons |
| 14. | C______ of energy means none can be created or destroyed | 18. | Energy stored in the central part of atoms | 19. | These cells convert sunlight to electricity | 20. | Energy which is not useful | 21. | Type of transformer that increases voltage (four-two) | 22. | The unit of power, one Joule per second | 24. | Heat transferred by infra-red waves |
| |
© 2012
PuzzleFast.com, Noncommercial Use Only