Module 9 Vocabulary

1. an instrument that measures temperature using either the Fahrenheit or Celsius scale
5. short-term variations in atmospheric phenomena that interact and affect the environment and life on Earth
6. line on a weather map connecting points of equal pressure
8. an instrument that measures wind speed
10. and instrument used for gathering upper-atmosphere data
13. the change in pitch or frequency that occurs due to the relative motion of a wave (such as sound or light) as it comes toward or goes away from an observer
15. a large volume of air that has the same characteristics, such as humidity and temperature, as its source region
18. the area over which an air mass forms
19. created by applying physical principles and mathematics to atmospheric variables and then making a prediction about how these variables will change over time
20. a record of weather data for a particular site at a particular time
21. line on a weather map connecting points of equal temperature

2. an instrument that measures humidity
3. a forecast based on a comparison of current weather patterns with similar weather patterns from the past
4. the wind zones located between 60 degrees N latitude and the North Pole, and between 65 degrees S latitude and the South Pole
7. a narrow band of fast wind
9. the long-term averages and variations in weather for a particular area
11. this results in fluids and objects moving in an apparent curved path rather than a straight line
12. the wind systems located between latitudes 30 degrees N and 60 degrees N, and between 30 degrees S and 60 degrees S
14. an instrument that measures air pressure
16. a narrow region between two air masses of different densities
17. two circulation belts of wind between 30 degrees N and 30 degrees S latitudes