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