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7 Sci Air Pollution
7th Grade Science Air Pollution Vocabulary
Question | Answer |
---|---|
AIR POLLUTION | CONTAMINATION OF THE ATMOSPHERE BY THE INTRODUCTION OF POLLUTANTS FROM HUMAN AND NATURAL SOURCES. |
PHOTOCHEMICAL SMOG | BROWN SMOG CAUSED BY SUNLIGHT REACTING WITH POLLUTANTS IN THE AIR. |
FOSSIL FUELS | COAL, NATURAL GAS, OIL |
SULFUROUS SMOG | GRAY SMOG CAUSED WHEN COAL IS BURNED IN ELECTRICAL POWER PLANTS AND HOME FURNACES, WHERE THERE IS LITTLE TO NO WIND. |
ACID PRECIPITATION | RAIN, SLEET, OR SNOW WITH HIGH CONCENTRATION OF ACIDS THAT COME FROM AIR POLLUTION. |
pH SCALE | SCALE USED TO DESCRIBE HOW ACIDIC OR BASIC A SUBSTANCE IS. |
ACID | SUBSTANCE WITH A pH LOWER THAN SEVEN. |
BASE | SUBSTANCE WITH A pH ABOVE SEVEN. |
CLEAN AIR ACT | PROTECTS AIR QUALITY BY REQUIRING REDUCTIONS IN CAR EXHAUST AND INDUSTRIAL EMISSIONS. |
SCRUBBER | DEVICE USED IN COAL-BURNING POWER PLANTS THAT ALLOWS THE GASES IN THE SMOKE TO DISSOLVE IN WATER TO REACH A SAFE pH. |