APES Unit 6 Energy

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Across
  1. 3. The time taken for radioactivity of a specific isotope to fall to half of its original value.
  2. 7. The movement of objects and substances from place to place is ____ energy.
  3. 8. Release CO2, particulate matter, SOx, and NOx when combusted.
  4. 10. Hot water tanks used to passively collect and store energy or an example of ______ power.
  5. 12. Process through which plants convert radiant energy from the sun into chemical energy stored in carbohydrates.
  6. 17. Clean fuel that can be generated through the hydrolysis of water.
  7. 19. Highest rank of coal.
  8. 21. Energy harnessed from heat produced in the Earth's core by the slow decay of naturally-occurring radioactive particles.
  9. 22. Trap sediments and prevent fish from reaching spawning grounds.
  10. 24. The vibration and movement of atoms and molecules with substances is called _____ energy.
  11. 26. The scientific rule that states that energy cannon be created or destroyed is called the Law of _______ of energy.
  12. 27. Vehicles powered by an internal combustion engine and one or more electric motors.
  13. 28. A hydropower reservoir is an example of _____ potential energy.
Down
  1. 1. The movement of electrons is ___ energy.
  2. 2. Nonrenewable energy source, the Middle East and Venezuela have huge reserves.
  3. 4. Generation of electricity and other energy jointly.
  4. 5. Cheapest and cleanest way to produce electricity.
  5. 6. Fission and fusion are examples of _____ energy.
  6. 9. country with largest reserve of coal
  7. 11. Any organic material that can be used for its energy content.
  8. 13. Stored energy and the energy of position are _____ energy.
  9. 14. Nonrenewable, although methane produced from landfill gas is classified as renewable.
  10. 15. Energy source that is not derived directly or indirectly from solar energy.
  11. 16. The most polluting fossil fuel.
  12. 18. Currently proven global reserves are expected to be largely exhausted within the next 50 years.
  13. 20. Used to produce about 33 percent of electricity in the US.
  14. 23. Another term for kinetic energy is _____ energy
  15. 25. Electromagnetic energy traveling in transverse waves is ____ energy.