1. Dust Storms By: Diana Moy

2. What is dust ? Earth, pollen or any other matter in finely powdered particles that can be blown in the air.

3. What produces dust?  Cars  Industries  Constructions  Unpaved streets  Us  Excavations  Broken stones  Combustion

4.  A meteorological phenomenon when dust is raised from the ground by strong winds Factors –Temperature –Soil –Wind What is a Dust Storm

22. Where? Deserts Areas with: Dry soil Little vegetation Low precipitation

23. How? Weather Almanac June 2002

24. How?

25. EFFECTS  Reduce visibility  Erosion  Climate Change  Soil composition  Affects biodiversity and ecosystems  Health:  Allergies  Dry skin  Intoxication  Breathing problems

44. What to do in case of a dust storm?  Stay indoors  Cover mouth and nose  If driving reduce speed or pull over

45.  Plant some trees  Keep fireplaces clean  Check your air conditioner and your heating device frequently What can we do?

46. QUESTIONS ¿?...¿?...¿?