Heat & Electricity Crossword

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Across
  1. 2. The transfer of heat through a fluid (liquid or gas) caused by the molecular movement of warmer, less dense material rising and cooler, denser material sinking.
  2. 4. derived from the natural heat generated and stored within the Earth's crust.
  3. 6. The type of temperature scale the U.S uses
  4. 9. is the long-term, human-driven rise in the Earth's average surface temperature
  5. 12. The exchange of thermal energy between physical systems depending on the temperature and by means of heat transmission.
  6. 13. The emission of electromagnetic waves from all matter that has a temperature greater than absolute zero.
  7. 14. The spatial period of a periodic wave—the distance over which the wave's shape repeats.
  8. 15. The form of energy associated with the random, disordered motion of molecules and transferred between systems due to a temperature difference.
  9. 16. The transfer of heat or electric charge through a material without the physical movement of the material itself.
  10. 18. Natural materials or sources of wealth, including those used to produce energy or fulfill the needs of a system.
  11. 20. Combustible hydrocarbon deposits—like coal, petroleum, or natural gas—formed from the fossilized remains of ancient plants and animals.
  12. 21. An air mass with a higher temperature and lower density relative to its surrounding environment.
  13. 24. Flammable fossil fuel gases consisting primarily of methane that are found naturally underground and used as a source of energy.
  14. 27. harnesses the predictable kinetic and potential energy of ocean tides, primarily driven by the gravitational pull of the moon and sun
  15. 29. The process of producing usable electrical energy from other sources of primary energy.
  16. 31. The proportion of incident light or radiation that is reflected by a surface, particularly that of a planet or moon.
  17. 33. An air mass with a lower temperature and higher density relative to its surrounding environment.
  18. 35. A combustible black or dark-brown organic rock consisting mainly of carbonized plant matter, found mainly in underground seams and used as fuel.
  19. 37. The emission or transmission of energy in the form of waves or particles through space or a physical medium.
  20. 38. A form of energy resulting from the existence and flow of charged particles, such as electrons or protons.
  21. 39. Energy collected from natural, continuously replenished sources like sunlight, wind, water, and geothermal heat.
Down
  1. 1. The quantitative property that must be transferred to an object or physical system to perform work on it or to heat it.
  2. 3. Energy from sources that exist in limited amounts and cannot be replenished on a human timescale once consumed.
  3. 5. is a chemical compound consisting of one carbon atom and two oxygen atoms.
  4. 7. Units of measurement used for indicating temperature on a specific scale or spatial intervals in a circle.
  5. 8. Physical quantities that express quantitatively the hotness or coldness of matter or radiation.
  6. 10. Electricity generated by harnessing the kinetic and potential energy of moving or falling water, often through a dam.
  7. 11. Gases in the atmosphere—such as carbon dioxide, methane, and water vapor—that trap heat radiating from the Earth.
  8. 14. The bulk,natural horizontal motion of air in the atmosphere, caused primarily by uneven solar heating and pressure differences
  9. 17. Thermal energy that occurs natively in the environment without artificial or mechanical intervention.
  10. 19. emanating from the sun, primarily harnessed as light and thermal radiation.
  11. 22. It is a highly flammable, colorless, and odorless gas
  12. 23. Electricity generated by harnessing the kinetic and potential energy of moving or falling water, often through a dam.
  13. 25. is an electromechanical machine that converts mechanical energy into electrical energy
  14. 26. A form of invisible electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays.
  15. 28. A type of temperature scale Canada uses
  16. 30. A machine for producing continuous power in which a rotor is made to revolve by a fast-moving flow of water, steam, gas, or air.
  17. 32. is a method of heating that warms objects and people directly through infrared radiation
  18. 34. Devices containing photovoltaic cells that convert sunlight directly into usable electrical energy.
  19. 36. The process or act of producing thermal energy through physical, chemical, or mechanical means.