Science PBL: Energy and circuits by Evan Wong

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Across
  1. 2. Energy harnessed from the wind using wind turbines.
  2. 6. The unit of electrical resistance.
  3. 8. A unit of power equal to 1,000 watts.
  4. 10. Referring to the use of advanced technology and automation in energy management.
  5. 12. The unit of electric current, equal to a flow of one coulomb of charge per second.
  6. 14. Energy harnessed from the motion of ocean waves to generate electricity.
  7. 15. A device that converts mechanical energy into electrical energy.
  8. 17. Relating to practices that meet current energy needs without compromising the ability of future generations to meet their own needs.
  9. 19. Relating to the interaction of electric and magnetic fields, fundamental to the generation and transmission of electricity.
  10. 20. An electric current that flows in only one direction.
  11. 23. Fuels, such as coal, oil, and natural gas, that are derived from ancient organic matter.
  12. 25. A material that allows the flow of electric current.
  13. 27. Heat energy derived from the Earth's internal heat.
  14. 29. A unit of power equal to one million watts.
  15. 30. Energy derived from the sun's radiation.
  16. 32. A device that changes the voltage of an alternating current.
  17. 33. The measure of how effectively energy is converted into useful work.
  18. 35. The capacity to do work or produce heat.
  19. 36. Pertaining to the rise and fall of sea levels caused by gravitational forces, used to generate power.
  20. 38. Referring to the distribution of power generation and storage across multiple smaller sources.
  21. 39. Electricity generated by the movement of water.
  22. 40. An electric current that periodically reverses direction.
Down
  1. 1. Relating to the conversion of light into electricity using solar cells.
  2. 2. The unit of power, equal to one joule of energy per second.
  3. 3. Energy released through nuclear reactions, such as nuclear fission or fusion.
  4. 4. A device that converts chemical energy into electrical energy.
  5. 5. The ability of an energy system to withstand and recover from disruptions or failures.
  6. 7. Renewable energy derived from organic matter, such as plant material or agricultural waste.
  7. 9. A device that converts direct current (DC) to alternating current (AC).
  8. 11. Energy that is derived from sources that can be naturally replenished, such as solar power or wind power.
  9. 13. The force that pushes an electric charge through a circuit.
  10. 16. A rotary mechanical device that extracts energy from a fluid flow and converts it into useful work.
  11. 18. A material that resists the flow of electric current.
  12. 21. A measure of how well energy is used or converted into useful work.
  13. 22. The flow of electrical power or charge.
  14. 24. A network of interconnected power lines and equipment used to distribute electricity.
  15. 26. A closed loop or path through which an electric current flows.
  16. 28. The rate at which work is done or energy is transferred.
  17. 29. A small-scale localised grid that can operate independently or in conjunction with the main grid.
  18. 31. The opposition encountered by an electric current as it flows through a material or device.
  19. 34. A chemical element found in fossil fuels and associated with greenhouse gas emissions.
  20. 37. The flow of electric charge through a conductor.