1:00
en
CR
20
chlorofluorocarbon : the chemical that causes ozone depletion
ozone layer : a layer in the atmosphere that blocks UV rays
pollution : the contamination of air, water, or soil by substances that are harmful to living organisms
acid rain : a harmful phenomenon caused by SO2 and NO2 in the air
pollutants : substance or condition that contaminates air, water or soil
anthropogenic : also called man-made pollutants
hydrogen : pH means power of ________
aquatic : a term relating to water
troposphere : the region of the atmosphere wherein most of the weather changes occur
wetlands : flooded areas in which the water is shallow enough to enable growth of bottom-rooted plants
ammonia : a colorless gas with a very sharp odor
pressure : the force exerted on or against an object by something in contact with it
global warming : a gradual increase in the overall temperature of the earth's atmosphere
combustion : the major producer of pollutants
stratosphere : the region of the atmosphere above the troposphere and below the mesosphere
dielectric : a substance or medium that can sustain a static electric field within it
polarity : refers to a separation of electric charge
oxygen : a highly reactive nonmetallic element
estuaries : arms of the ocean into which streams flow
mesosphere : the region of the atmosphere above the stratosphere and below the thermosphere
greenhouse effect : the trapping of the sun's warmth in a planet's lower atmosphere
filter : removes 99% of particulates but not gaseous pollutants
atmosphere : the envelope of gases surrounding the earth
thermosphere : the region of the atmosphere that extends to outer space
salinity : the saltiness or dissolved salt content of a body of water
Across:1. | a substance or medium that can sustain a static electric field within it | 3. | the force exerted on or against an object by something in contact with it | 5. | a colorless gas with a very sharp odor | 6. | the chemical that causes ozone depletion | 8. | the region of the atmosphere above the troposphere and below the mesosphere | 11. | refers to a separation of electric charge | 13. | a layer in the atmosphere that blocks UV rays | 14. | a harmful phenomenon caused by SO2 and NO2 in the air | 16. | the major producer of pollutants | 17. | removes 99% of particulates but not gaseous pollutants | 18. | the region of the atmosphere above the stratosphere and below the thermosphere | 19. | flooded areas in which the water is shallow enough to enable growth of bottom-rooted plants |
| | Down:2. | arms of the ocean into which streams flow | 4. | the contamination of air, water, or soil by substances that are harmful to living organisms | 7. | the saltiness or dissolved salt content of a body of water | 9. | a term relating to water | 10. | a gradual increase in the overall temperature of the earth's atmosphere | 12. | pH means power of ________ | 13. | a highly reactive nonmetallic element | 15. | the envelope of gases surrounding the earth |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only
Across:1. | a substance or medium that can sustain a static electric field within it | 3. | the force exerted on or against an object by something in contact with it | 5. | a colorless gas with a very sharp odor | 6. | the chemical that causes ozone depletion | 8. | the region of the atmosphere above the troposphere and below the mesosphere | 11. | refers to a separation of electric charge | 13. | a layer in the atmosphere that blocks UV rays | 14. | a harmful phenomenon caused by SO2 and NO2 in the air | 16. | the major producer of pollutants | 17. | removes 99% of particulates but not gaseous pollutants | 18. | the region of the atmosphere above the stratosphere and below the thermosphere | 19. | flooded areas in which the water is shallow enough to enable growth of bottom-rooted plants |
| | Down:2. | arms of the ocean into which streams flow | 4. | the contamination of air, water, or soil by substances that are harmful to living organisms | 7. | the saltiness or dissolved salt content of a body of water | 9. | a term relating to water | 10. | a gradual increase in the overall temperature of the earth's atmosphere | 12. | pH means power of ________ | 13. | a highly reactive nonmetallic element | 15. | the envelope of gases surrounding the earth |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only