Student Activity Sheets - Grades 3-5 Page 18

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Clean Air Crossword
Activity 12:
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Across
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1. A camp____ is a source
of air pollution.
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6. Particles are released
into the air when we
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____ wood.
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8. Gas-powered lawn
______ contribute to air
pollution.
9. _____ refer to volatile
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organic compounds.
11. Gas-powered ____
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blowers contribute to
air pollution.
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14. _______ makes up 21%
of our air.
15. ____ mowers help
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30
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reduce air pollution.
16. Avoid _______ sprays
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when possible.
18. Use a _____ instead of a
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leaf blower.
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19. Never burn _____ in a
fireplace.
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20. We ______ the air in
many ways.
21. __________ matter is
Down
more of a problem in
the winter.
17. _______means combining errands to
1. Harmful emissions come from burning
25. The surroundings in
make only one car trip.
fossil ____.
which we live is our
__________.
22. To reduce air pollution from cars, we
2. Avoid using ____ spray.
should _______.
28. ____ means particulate
3. Ozone is the main ingredient in _____.
matter.
23. Ozone is more of a problem in the
4. Choose a solid or a ____ instead of an
______.
31. Gases or particles
aerosol spray.
released into the air are
24. Wood ______ are a source of air
5. Ozone is an odorless, colorless ____.
called ________.
pollution.
7. ____ refers to nitrogen oxides.
32. You should _____ Before
26. Use an ________ starter to light
9. Most of the emissions that create
You Burn.
barbeque briquettes without lighter
ozone come from motor ______.
fluid.
34. Air pollution can make
10. One reason that the Valley has high
our _____ sting and
27. ______ in the air is a sign of air
levels of air pollution is our _______.
water.
pollution.
12. ____ refers to the Environmental
36. ____ means Air Quality
29. We can all LIVE A HEALTHY ____
Protection Agency.
Index.
LIFE.
13. Never burn trash in your _________.
37. Air pollution decreases
30. Burning wood puts ____ into the air.
14. The Valley’s air quality does not meet
the function of our
33. Air pollution harms not only people
federal or state standards for _____.
_____.
but also their ____.
15. If possible, choose a ____ spray instead
35. NOx + VOCs + Hot ____ = Ozone.
of an aerosol.
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