Charged by Light: How Plants Power Up

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Across
  1. 3. – First photosystem involved in light reactions
  2. 8. – Barriers that separate different areas in cells
  3. 11. – Structures that control movement of substances
  4. 13. – Negatively charged particles energized by light
  5. 14. – Groups of pigments and proteins that absorb light
  6. 16. – Molecules that absorb light energy
  7. 18. – Energy source that powers photosynthesis
  8. 19. – Charged particles involved in energy storage
  9. 20. – Membrane stacks where light-dependent reactions occur
Down
  1. 1. – Molecule that carries high-energy electrons
  2. 2. – Element that forms H⁺ ions inside thylakoids
  3. 4. – Gas released as a by-product of splitting water
  4. 5. – Molecule split to provide electrons and hydrogen ions
  5. 6. – Positive and negative particles kept separate
  6. 7. – Main green pigment that captures light energy
  7. 9. – State in which oxygen is released into the air
  8. 10. – Organelles where photosynthesis takes place
  9. 12. – Build-up of charge across a membrane
  10. 15. – Energy-carrying molecule produced in light reactions
  11. 17. – What is transferred through excited electrons