weather

3. a huge volume of air that has a uniform temperature and humidity
4. a tool used to measure wind speed
7. a line on a weather map that connects places with the same air pressure
9. the weight of all the air in the atmosphere pushing down on an object or area
13. a tool used to measure atmospheric pressure
14. a cold air mass advances to replace a warm air mass
15. air that is moving from an area of high pressure to an area of lower pressure
17. a warm air mass advances to replace a cold air mass
18. the condition of the atmosphere in a certain place and specific time
19. tiny solid or liquid particles suspended in the atmosphere
20. the height of an object or point in relation to sea-level
21. an area where air is rising and winds blow to the center
23. how mush water vapor is in the air compared to the max amount that the air can hold
24. a tool used to find the wind direction

1. a tool used to measure humidity
2. a boundary between one warm air mass and two cold ones where the warm air is pushed up
5. the layer of the atmosphere closest to earths surface where weather occurs
6. the amount of water vapor in given volume of air
8. water droplets that form on surfaces due to condensation water vapor
10. a boundary between a warm and cold air mass that is not moving
11. the temperature at which the air is saturated with water vapor
12. an area where air is sinking and winds blow out form the center
16. the boundary where two air masses meet
22. a tool used to measure precipitation in inches or centimeters