Theme 3 - Managing Our Environment Definition Sheet

Edit Answers
1234567891011121314151617181920212223
Across
  1. 3. / thick, black smoke caused by industrial and chemical activities and a form of air pollution.
  2. 5. / a process in which water moves continuously from the earth's surface to the air and back to the earth's surface
  3. 7. / a type of plastic that is widely used.
  4. 8. waste / anything that comes from plants or animals.
  5. 11. / a way of using resources to meet the needs of the present without affecting the need of the future.
  6. 13. / an environment where different species of plants and animals can be found.
  7. 14. / controlled burning of waste in special
  8. 16. / Refers to a work of felling, trimming and transporting timber.
  9. 18. / Moisture falling to the earth as liquid or solid such as rain and snow.
  10. 20. / the practice of touring natural habitats without disrupting them.
  11. 21. / the method of providing water to dry land for farming by artificial means.
  12. 23. / a natural method where organic waste is mixed together with other natural resources for use as fertilizer.
Down
  1. 1. / the change in the world's climate.
  2. 2. / forest with tall trees found in places near the equator and have high rainfall and warm climate.
  3. 4. / process in which water vapour cools and changes back into tiny water droplets.
  4. 6. / gases that absorb radiation in the atmosphere leading to the warming of earth's surface.
  5. 9. / occurs when the surface soil is washed or blown away either through rainfall or strong winds.
  6. 10. / can be broken down into harmless products through action of microorganisms like bacteria.
  7. 12. / a process whereby an entire species disappears forever from earth.
  8. 15. / process in which water from earth's surfaces (such as seas, rivers,lakes and ponds) is heated by the sun and turns into water vapour.
  9. 17. / a phenomenon where the average global temperature is increasing due to release of greenhouse gases into atmosphere.
  10. 19. cultivation / a farming method where plots of land are cultivated temporarily and then abandoned.
  11. 22. / the process of slowly removing materials from the surface through the action of water and wind.