Glow-in-the-dark Toys and electrons

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Across
  1. 2. Before glow-in-the-dark toys can glow, they must be ___.
  2. 4. The unique materials that absorb and store energy in glow-in-the-dark items
  3. 6. Charged electrons must return to their ____ energy state to emit light.
  4. 7. Strontium aluminate results in a brighter ___.
  5. 8. Phosphors soaking up energy of incoming light is compared to these
  6. 10. Form of energy that travels in waves and allows us to see the world around us.
Down
  1. 1. Tiny positively charged particles within atoms
  2. 3. Toys become charged when energy is ___.
  3. 5. Toys glow when energy is ____.
  4. 9. Glow-in-the-dark items emit light due to the release of stored ___.