WS Energy Crossword

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Across
  1. 4. the displacement of a wave from zero
  2. 6. an energy level defined by quantum theory
  3. 8. the number of times a point on a wave passes a fixed reference point in one second
  4. 10. a tiny particle that comprises waves of electromagnetic radiation
  5. 12. a single packet of matter or energy
  6. 15. phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation
  7. 16. the science of applying microwave radiation to chemical reactions
Down
  1. 1. the lowest energy state of an atom or other particle.
  2. 2. the segment of the electromagnetic spectrum that the human eye can view
  3. 3. a periodic disturbance that moves through space.
  4. 5. a fundamental universal constant that defines the quantum nature of energy and relates the energy of a photon to its frequency.
  5. 7. The ability to do work
  6. 9. a state of a physical system (such as an atomic nucleus, an atom, or a molecule) that is higher in energy than the ground state.
  7. 11. a mathematical term in atomic theory and quantum mechanics that describes the position and wavelike behaviour of an electron in an atom.
  8. 13. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  9. 14. the electromagnetic radiation with wavelengths between 380 and 750 nm which is visible to the human eye.