Earth's Physical Systems: Environmental Science

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Across
  1. 3. (chemical symbol Ra); a radioactive metal that was used to make paint glow in the dark; caused severe deformation to workers
  2. 4. A molecule made from more than one element
  3. 5. by shedding subatomic particles, these emit high energy radiation that can harms organism
  4. 7. processes that outlines how each of the three major rock types—igneous, metamorphic, and sedimentary—form and break down based on the different applications of heat and pressure over time
  5. 9. The process by which Earth’s surface is shaped by the extremely slow movement of sections of crust
  6. 11. neutral subatomic particles
  7. 17. a nucleic acid
  8. 20. Made from more than one atom
  9. 21. oceanic trench formed from the subduction of the Pacific plate under the Philippine plate
  10. 24. Proteins, Nucleic acids, Carbohydrates, Lipids
  11. 25. positively charged subatomic particle
  12. 26. Elements of same atomic number that have different number of neutrons
Down
  1. 1. shedding of subatomic particles
  2. 2. based on the number of protons
  3. 4. the study of matter and their interactions
  4. 6. plate boundary where two plates move away from each other
  5. 8. the scientific study of Earth’s physical features, processes, and history
  6. 9. Concentration of H+
  7. 10. pH below 7
  8. 12. all material in the universe with mass and that occupies space
  9. 13. weight of protons plus neutrons
  10. 14. negatively charged subatomic particles
  11. 15. substance with given properties that can’t be broken down into simpler substances
  12. 16. have protons, neutrons and electrons
  13. 18. plate boundary where two plates move toward each other; can create mountains or subduction zones
  14. 19. type of rock that forms when rocks are subjected to high heat, high pressure
  15. 22. "Shearon _______"; the nuclear power plant that generates electricity for much of the Triangle
  16. 23. sits outside the Earth’s mantle