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  1. What is the answer to… These fun and exciting vocabulary terms from Science Unit B????

  2. Layer of air that surrounds earth

  3. Atmosphere

  4. The weight of particles of air pressing down on the Earth’s surface

  5. Air Pressure:

  6. Layer of the atmosphere closest to the Earth

  7. Troposphere :

  8. Second layer of the atmosphere; contains ozone

  9. Stratosphere

  10. The condition of the atmosphere at any moment

  11. Weather

  12. Measure of the amount of water in the air

  13. Humidity

  14. Any form of water that falls from the clouds such as rain, sleet, snow or hail

  15. Precipitation

  16. Process by which a liquid changes into a gas:

  17. Evaporation

  18. Process by which a gas changes into a liquid:

  19. Condensation

  20. The cycle in which Earth’s water moves through the environment:

  21. Water Cycle

  22. Process by which plants give off water through their stomata:

  23. Transpiration

  24. Winds dependant upon local changes in temperature:

  25. Local Winds

  26. Global winds that blow constantly from the same direction:

  27. Prevailing Winds

  28. Huge body of air which has the same general properties as the land or water over which it forms:

  29. Air Mass

  30. The border where two air masses meet:

  31. Front

  32. Very strong storm with a lot of rain, thunder, lightning and sometimes hail:

  33. Thunderstorm

  34. Large spiraling storm system with winds that exceed 119 km/hr:

  35. Hurricane

  36. Stage of hurricane development when the winds of a tropical depression reach a constant speed of 63 km/hr (39 mph):

  37. Tropical Storm

  38. An intense windstorm that often forms within a severe thunderstorm:

  39. Tornado

  40. Prediction of what the weather will be like in the future:

  41. Forecast

  42. Arrangement of symbols and numbers that show the weather conditions recorded at a weather station:

  43. Station Model

  44. Map that includes station model symbols and information about fronts and about centers of high pressure and low pressure:

  45. Surface Map

  46. Balloon released into the atmosphere that carries a package of instruments to record data about temperature, air pressure, and humidity:

  47. Weather Balloon

  48. Map that shows data about recent weather conditions across a large area:

  49. Weather Map

  50. Average of all weather conditions through all seasons over a period of time: