dew point temperature (DPT)
Conclusion Q (1-15)
1. Compare the air temperature and relative humidity and dew point of your classroom, hallway (or other room), and outdoors. Are they all the same? Discuss reason(s) in detail.
2. On the weather station models provided, record and label the available air temperature values, dew point temperatures and cloud cover for the classroom, hallway/other classroom, outdoors and weather station as it appears in the Reference Tables.
3. When it is possible for condensation to occur in the atmosphere?
4. Why are the cloud base (bottom of the clouds) usually flat?
5. What happen to the height of a cloud base if the dew point temperature were lowered (larger difference between air temperature and dew point temperature) or increased? Explain your reasoning.
6.What would happen to the clouds if you were able to pull them down without changing the atmospheric variables such as temperature and humidity? Explain
7. Explain why ascending (rising) air cools off and become more humid?
8. Explain why descending (sinking) air warms up and usually become drier.
9. Some cities may experience more cloud formation and precipitation than surrounding rural areas. Why do you think this is possible?
10. What are the conditions to form ground level condensation such as fog?
11.Why do we usually see water droplet called "Dew" on grass, plants and cars early in the mornings?
12. Why does the dew on grass, plants and cars disappear after the sun warms up the air?
13. Many scientists agree that thin high altitude clouds act like a giant blanket for the Earth and may contribute to global warming. They allow most of the Sun's energy to enter the Earth's atmosphere. However, they block or slow down the escape of some of the Infrared radiation emitted from the Earth's surface. How do you think the increase in air traffic and spacecraft lauchings could affect the global climate? Explain your answer in detail. Suggest solution (s) to this problem.
14. Assume that the amount of water vapor in the air stays the same. What would happen to the dewpoint temperature if the air temperature increases?
15. Assume that the amount of waer vapor in the air stays the same. What would happen to the dewpoint temperature if the air temperature decreases?
Conclusion Q (1-15)
1. Compare the air temperature and relative humidity and dew point of your classroom, hallway (or other room), and outdoors. Are they all the same? Discuss reason(s) in detail.
2. On the weather station models provided, record and label the available air temperature values, dew point temperatures and cloud cover for the classroom, hallway/other classroom, outdoors and weather station as it appears in the Reference Tables.
3. When it is possible for condensation to occur in the atmosphere?
4. Why are the cloud base (bottom of the clouds) usually flat?
5. What happen to the height of a cloud base if the dew point temperature were lowered (larger difference between air temperature and dew point temperature) or increased? Explain your reasoning.
6.What would happen to the clouds if you were able to pull them down without changing the atmospheric variables such as temperature and humidity? Explain
7. Explain why ascending (rising) air cools off and become more humid?
8. Explain why descending (sinking) air warms up and usually become drier.
9. Some cities may experience more cloud formation and precipitation than surrounding rural areas. Why do you think this is possible?
10. What are the conditions to form ground level condensation such as fog?
11.Why do we usually see water droplet called "Dew" on grass, plants and cars early in the mornings?
12. Why does the dew on grass, plants and cars disappear after the sun warms up the air?
13. Many scientists agree that thin high altitude clouds act like a giant blanket for the Earth and may contribute to global warming. They allow most of the Sun's energy to enter the Earth's atmosphere. However, they block or slow down the escape of some of the Infrared radiation emitted from the Earth's surface. How do you think the increase in air traffic and spacecraft lauchings could affect the global climate? Explain your answer in detail. Suggest solution (s) to this problem.
14. Assume that the amount of water vapor in the air stays the same. What would happen to the dewpoint temperature if the air temperature increases?
15. Assume that the amount of waer vapor in the air stays the same. What would happen to the dewpoint temperature if the air temperature decreases?
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