9. The Chemistry of Autumn Colors

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Across
  1. 2. Environmental conditions such as temperature and sunlight that influence the intensity and timing of autumn leaf colors.
  2. 8. Cell organelles where photosynthesis takes place, containing chlorophyll and other pigments.
  3. 9. Colored compounds in leaves that absorb and reflect light, contributing to the colors seen in autumn foliage.
  4. 12. The collective term for the colorful leaves of trees during the autumn season, attracting tourists and nature enthusiasts.
  5. 15. The process by which plants convert light energy into chemical energy to produce sugars and oxygen.
  6. 16. The process by which plants increase in size and develop, driven by the energy produced during photosynthesis.
  7. 17. The change in color of leaves in response to the breakdown of chlorophyll and the production of carotenoids and anthocyanins.
  8. 18. The carbohydrates produced during photosynthesis, serving as a source of energy for plants.
Down
  1. 1. The visual appearance of the natural environment during the autumn season, characterized by colorful foliage.
  2. 3. Pigments that give leaves a red color in autumn, produced in response to light exposure.
  3. 4. The chemical energy stored in carbohydrates produced during photosynthesis, driving plant growth and development.
  4. 5. The process of aging and deterioration in leaves, leading to color changes in autumn.
  5. 6. The breakdown of chlorophyll and carotenoids in leaves, leading to the appearance of red and yellow colors in autumn foliage.
  6. 7. The spectacular show of colors in autumn foliage as leaves change from green to yellow, orange, and red.
  7. 9. The physiological changes in trees as they prepare for winter, including the shedding of leaves and color changes.
  8. 10. The green pigment in leaves responsible for absorbing sunlight during photosynthesis.
  9. 11. Pigments in leaves that appear yellow and orange, playing a role in protecting chlorophyll from oxidation.
  10. 13. The foliage of trees and plants, which change color and are shed in autumn.
  11. 14. Refers to trees that shed their leaves in autumn as part of their natural life cycle.
  12. 19. The season between summer and winter, characterized by falling leaves and changing colors.