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Vocabulary -Jack Webber
21
natural resource:anything that occurs naturally in nature that humans use
litter:top layer of soil with dead leaves and grass
topsoil:layer of soil that is a mixture of rock fragments, nutrients, water, air and decaying animal matter
subsoil:third layer of soil that contains rock fragments
bedrock:the rock that make's up Earth's crust
erosion:the process in which water, air, or ice moves rock particles
nutrient depletion:situation in which soil becomes less fertile
fertilizers:a substance that provides nutrients for crops
desertification:the advance of desertlike conditions that previously were fertile
drought:a period of time when little rainfall occurs
land reclamation:the process of restoring land to a more productive state
deforestation:the clearing of forests
urbanization:the development of cities
emissions:pollutants let into the air
photochemical smog:a thick haze that is a mixture of ozone and other chemicals when pollutants react with sunlight
ozone:oxygen that is made of three oxygen atoms in each molecule
temperature inversion:when a layer of warm air keeps polluted air close to the surface
acid rain:precipitation that is more acidic than normal, due to sulfur dioxide and nitrogen dioxide in the air
radon:a colorless radioactive gas
ozone layer:part of the atmosphere that contains more ozone than the rest of the atmosphere
chlorofluorocarbons:human-made gasses that contain chlorine and fluorine that cause the ozone depletion
Vocabulary -Jack Webber
Across:1. | human-made gasses that contain chlorine and fluorine that cause the ozone depletion | 3. | part of the atmosphere that contains more ozone than the rest of the atmosphere | 5. | the advance of desertlike conditions that previously were fertile | 9. | the rock that make's up Earth's crust | 12. | the development of cities | 17. | top layer of soil with dead leaves and grass | 18. | precipitation that is more acidic than normal, due to sulfur dioxide and nitrogen dioxide in the air | 19. | pollutants let into the air | 20. | the process of restoring land to a more productive state |
| | Down:2. | oxygen that is made of three oxygen atoms in each molecule | 4. | a colorless radioactive gas | 5. | the clearing of forests | 6. | anything that occurs naturally in nature that humans use | 7. | third layer of soil that contains rock fragments | 8. | when a layer of warm air keeps polluted air close to the surface | 10. | a thick haze that is a mixture of ozone and other chemicals when pollutants react with sunlight | 11. | a period of time when little rainfall occurs | 13. | layer of soil that is a mixture of rock fragments, nutrients, water, air and decaying animal matter | 14. | situation in which soil becomes less fertile | 15. | a substance that provides nutrients for crops | 16. | the process in which water, air, or ice moves rock particles |
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© 2013
PuzzleFast.com, Noncommercial Use Only
Vocabulary -Jack Webber
Across:1. | human-made gasses that contain chlorine and fluorine that cause the ozone depletion | 3. | part of the atmosphere that contains more ozone than the rest of the atmosphere | 5. | the advance of desertlike conditions that previously were fertile | 9. | the rock that make's up Earth's crust | 12. | the development of cities | 17. | top layer of soil with dead leaves and grass | 18. | precipitation that is more acidic than normal, due to sulfur dioxide and nitrogen dioxide in the air | 19. | pollutants let into the air | 20. | the process of restoring land to a more productive state |
| | Down:2. | oxygen that is made of three oxygen atoms in each molecule | 4. | a colorless radioactive gas | 5. | the clearing of forests | 6. | anything that occurs naturally in nature that humans use | 7. | third layer of soil that contains rock fragments | 8. | when a layer of warm air keeps polluted air close to the surface | 10. | a thick haze that is a mixture of ozone and other chemicals when pollutants react with sunlight | 11. | a period of time when little rainfall occurs | 13. | layer of soil that is a mixture of rock fragments, nutrients, water, air and decaying animal matter | 14. | situation in which soil becomes less fertile | 15. | a substance that provides nutrients for crops | 16. | the process in which water, air, or ice moves rock particles |
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© 2013
PuzzleFast.com, Noncommercial Use Only