Air Pressure

1. Air Pressure Clouds Fronts Storms Surprise! Surprise! Again? 10 Point 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points 50 Points

2. _________ air weighs more than _______ air? Question 1a

3. Cold air weighs more than warm air. Answer 1a

4. The particles in _______ air are tighter together than ________ air? Question 2a

5. Cold air particles are denser (tighter together) than warm air (less dense) Answer 2a

6. Question 3a Warm air _____ and has ________ atmospheric pressure. Cold air _____ causing ________ atmospheric pressure.

7. Answer 3a Warm air rises and has low atmospheric pressure. Cold air sinks has high atmospheric pressure.

8. Air will move quickly from an area of _______ pressure to an area of ______ pressure. *Remember the crowded room/elevator and the empty hallway example? Question 4a

9. high pressure  low pressure Answer 4a

10. High pressure results in ______ weather? Low pressure results in _______ weather? *Remember Mrs. Gilland’s silly way to remember this! Question 5a

11. High pressure = good (fair) weather Low pressure = bad (stormy) weather Answer 5a

12. Question 1b Clouds form as warm air rises, cools and ___________.

13. Answer 1b Condenses

14. Question 2b Smooth, layered clouds at low altitudes are called __________?

15. Answer 2b Stratus

16. Question 3b Puffy, white clouds are called _____________?

17. Answer 3b Cumulus

18. Question 4b Clouds that are feathery/wispy, white and thin are called _________?

19. Answer 4b Cirrus

20. Question 5b Rain clouds are called ____________?

21. Answer 5b Nimbus

22. Question 1c A _________ is where air masses collide? Colliding air masses cause _______?

23. Answer 1c Front Storms

24. Question 2c Colder air advancing under warm air is called a __________ _________?

25. Answer 2c Cold Front

26. Question 3c A front that involves two cold air masses with a warm air mass caught in between is called a ___________ front?

27. Answer 3c Occluded

28. Question 4c A ____________ front occurs when a cold air mass and a warm air mass meet but neither one pushes past the other.

29. Answer 4c Stationary

30. Question 5c A _________ front is one where warmer air advances over colder air.

31. Answer 5c Warm

32. Question 1d Lightning superheats the air, causing it to expand rapidly and then contract, forming sound waves called __________?

33. Daily Double: Why do we see lightning before we hear the thunder? Answer 1d Thunder

34. Question 2d A low pressure tropical storm that forms over warm ocean water and is accompanied by high winds and a storm surge is called ________?

35. Answer 2d Hurricane

36. Question 3d A ________ is extreme weather?

37. Answer 3d storm

38. Question 4d A rapidly whirling, funnel-shaped cloud that extends down from a storm cloud is called _________?

39. Answer 4d tornado

40. Question 5d What are the three causes of storms?

41. Answer 5d Heat of the Sun Water in the atmosphere Spinning of the Earth

42. Clouds that form at or near the ground are called _________? Question 1e

43. Fog Answer 1e

44. Cool, dry and clear conditions usually follow a _______ front? Question 2e

45. Cold front (*remember the 3 C’s – cool, clear and cold front) Answer 2e

46. A ______ front moves quickly and can cause abrupt weather changes? Question 3e

47. Cold fronts move quickly Answer 3e

48. What kind of weather often results when a front remains stalled over an area? Question 4e

49. Long periods of precipitation result. Answer 4e

50. In winter, ______ fronts may bring snow? Question 5e