Environmental Science

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Across
  1. 2. comprises all types of water resources oceans, seas lakes, rivers, streams, reservoir, polar icecaps, glaciers and ground water
  2. 8. a compound found mainly in living things
  3. 9. the study of interactions among physical, chemical, and biological components of the environment and the solution of the environmental problems.
  4. 12. study of the sources, reactions, transport, effects, and fates of chemical species in the hydrosphere, lithosphere, atmosphere, and biosphere .
  5. 16. it is the outer mantle of the solid earth.
  6. 18. economic, social and political elements are essentially man-made features, which make cultural mileu
  7. 19. the study of the interactions between life and its physical environment.
  8. 21. it is a common substance on planet Earth
  9. 22. organized body of knowledge that is obtained by study and experimentation
  10. 25. it is often measured in calories
  11. 26. the energy stored in molecules and chemical compounds
  12. 27. determine the variable character of the human habitat, its opportunities as well as limitations.
  13. 28. it is the ability to do work
  14. 29. it is the smallest particle of an element that still has the properties of the element
  15. 30. it is the main element in organic compounds, so carbon is essential to life on Earth
Down
  1. 1. it is generally expressed in kilowatt-hours (kWh)
  2. 3. it is the protective blanket of gases surrounding the Earth
  3. 4. the vast majority of our people directly dependent on the nature resources of their country for their basic needs
  4. 5. a widely accepted hypothesis that stads the test of line
  5. 6. where life operates
  6. 7. it is a substance that consists of two or more elements
  7. 10. it is the study of energy
  8. 11. a substance that forms as a result of a chemical reaction
  9. 13. anything that takes up space and has mass.
  10. 14. the energy that comes from the temperature of the heated substance
  11. 15. it is the energy in the nucleus, oe core of an atom
  12. 17. it is a pure substance, it cannot be broken down into other types of substance
  13. 20. it isthe sum of all the biochemical reactions in an organism
  14. 23. it is a process that changes some chemical substances into others
  15. 24. it is done when force is applied to an object over distance