Scientific Spectrum

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Across
  1. 2. Cellular process for growth and repair.
  2. 4. Interstellar cloud of dust and gas.
  3. 5. Study of heat and energy transfer.
  4. 7. Study of family history and lineage.
  5. 9. Testable explanation for a phenomenon.
  6. 11. Chemical decomposition by passing an electric current.
  7. 13. Process by which plants convert light into energy.
  8. 15. Planet orbiting a star outside our solar system.
Down
  1. 1. Production of light by living organisms.
  2. 3. Measure of disorder in a system.
  3. 6. Large molecule formed from repeating structural units.
  4. 8. Organism with membrane-bound organelles.
  5. 10. Extremely bright, distant celestial object.
  6. 12. Atoms with same element but different neutrons.
  7. 14. Junction between two nerve cells.