Scientific Discoveries and Inventions 16

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Across
  1. 4. "A method for measuring how much light is absorbed by a substance."
  2. 7. "A phenomenon where materials conduct electricity with zero resistance at low temperatures."
  3. 11. "An electronic component that stores and releases electrical energy."
  4. 15. "A process that uses electricity to drive a chemical reaction."
  5. 16. "The process of programmed cell death in multicellular organisms."
  6. 17. "The process by which molecules spread from areas of high concentration to low."
  7. 18. "The study of the evolutionary history and relationships among species."
  8. 19. "A mixture of metals created to enhance strength or other properties."
Down
  1. 1. "The science of determining the age of rocks, fossils, and sediments."
  2. 2. "The vegetative part of a fungus, consisting of a network of fine white filaments."
  3. 3. "Atoms of the same element with different numbers of neutrons."
  4. 5. "A community of organisms and their physical environment interacting together."
  5. 6. "The process by which green plants create energy from sunlight."
  6. 8. "A large ecological area with specific plants and animals, like a forest or desert."
  7. 9. "A genetically distinct population adapted to specific environmental conditions."
  8. 10. "The variety of plant and animal life in a particular habitat."
  9. 12. "The study of life in the universe beyond Earth."
  10. 13. "A structure of DNA and protein carrying genetic information."
  11. 14. "A nerve cell that transmits signals in the brain and nervous system."
  12. 18. "A microorganism that causes disease, like bacteria or viruses."