Assistance for SCIN 137 AMU Week 3 Quiz Introduction to Meteorology American Military university is available at Domyclass
SCIN 137 Week 3 Quiz
| Part 1 of 4 – Part I – Question 1 of 31 What happens to an air parcel that is cooler than its surrounding environment? A. air parcel rises B. air parcel rises and then sinks to its original position C. air parcel sinks D. air parcel remains stationary Question 2 of 31 At what rate does an air parcel cool if it ascends at the dry adiabatic lapse rate? A. 4oC every 1000 m B. 7oC every 1000 m C. 10oC every 1000 m D. 12oC every 1000 m Question 3 of 31 Which term is a suspended, microscopic particle that can serve as cloud condensation nuclei? A. solution B. raindrop C. aerosol D. humidity Question 4 of 31 What is the relative humidity when the air becomes saturated? A. 0% B. 40% C. 70% D. 100% Question 5 of 31 What term describes the evaporation of precipitation before it reaches the surface? A. graupel B. drizzle C. virga D. rime Question 6 of 31 Which cloud prefix identifies middle level clouds? A. cirro B. stratus C. nimbo D. alto Question 7 of 31 Due to air resistance, what is the upper limit in size for a raindrop? A. 5 mm B. 8 mm C. 10 mm D. 12 mm Question 8 of 31 Which of the following statements pertaining to aerosols and surface temperatures are true? A. Aerosols layers decrease solar radiation reaching the earth’s surface, leading to warmer surface temperatures. B. Aerosols layers increase solar radiation reaching the earth’s surface, leading to warmer surface temperatures. C. Aerosols layers increase solar radiation reaching the earth’s surface, leading to cooler surface temperatures. D. Aerosols layers decrease solar radiation reaching the earth’s surface, leading to cooler surface temperatures. Question 9 of 31 Which term describes the atmosphere when it is in a state of equilibrium and resist vertical motion? A. atmospheric stability B. atmospheric instability C. conditional instability D. conditional stability Question 10 of 31 What is the mean sea-level atmospheric pressure? A. 0.01 mb B. 29.92 mb C. 1000 mb D. 1013.25 mb Question 11 of 31 Which cloud prefix identifies high, upper level clouds? A. alto B. cirro C. nimbo D. stratus Question 12 of 31 At what time are thunderstorms least likely to form? A. 3 am B. 9 am C. noon D. 6 pm Question 13 of 31 Which cloud prefix identifies think, low level clouds producing precipitation? A. nimbo B. stratus C. alto D. cirro Question 14 of 31 What are contour lines of constant temperature? A. dry adiabats B. isotherms C. mixing ratio D. isobars Question 15 of 31 During what time frame do thunderstorms occur most frequently? A. between midnight and 6 am B. between 6 am to noon C. between noon and 9 pm D. between 9 pm and midnight |
| Part 2 of 4 – SCIN120 ELF9.0 Points Question 16 of 31 What is said of the hypothesis if the data gathered in an experiment is what is anticipated? A. disproven B. supported C. proven D. rejected Question 17 of 31 Charles Darwin’s concept of natural selection is said to be what? A. Null Hypothesis B. Alternative Hypothesis C. Scientific Theory D. Scientific Law Question 18 of 31 What is a good generic definition of a hypothesis? A. A theory that can easily be proven by conducting a few simple experiments. B. An educated guess or expected answer to a scientific question based on prior knowledge and observation. C. A prediction concerning a natural phenomenon based on personal observations in the natural world. D. A combination of politics and scientific research to answer important questions for the general population. |
| Part 3 of 4 – Week 3 Lab36.0 Points Question 19 of 31 Using the Skew T/Log P diagram from Week 3 Lab and the K-Index formula provided in Week 3 Lab Question #13, what is the K-Index? (Image is also attached) A. 51oC B. 32oC C. 40oC D. 15oC Question 20 of 31 Using the Skew T/Log P diagram from Week 3 Lab, what is the approximate dew-point temperature at 500 mb? (Image is also attached) A. 3oC B. -23oC C. 20oC D. 17oC Question 21 of 31 Using the Skew T/Log P diagram from Week 3 Lab, what is the approximate dew-point temperature at 700 mb? (Image is also attached) A. 17oC B. 3oC C. 20oC D. -23oC Question 22 of 31 Using the Skew T/Log P diagram from Week 3 Lab, what is the approximate saturation mixing ratio at the lifted condensation level? (Image is also attached) A. 10 g/kg B. 40 g/kg C. 20 g/kg D. 30 g/kg Question 23 of 31 Using the Skew T/Log P diagram from Week 3 Lab, what is the environmental lapse rate between 1000 mb (46 m) and and the lifted condensation level? (Image is also attached) A. 7.4oC/1000 m B. 11.1oC/1000 m C. 8.6oC/1000 m D. 9.8oC/1000 m Question 24 of 31 Using the Skew T/Log P diagram from Week 3 Lab, what is the approximate air dew-point temperature at 1000 mb? (Image is also attached) A. 12oC B. 22oC C. 32oC D. 42oC Question 25 of 31 Using the Skew T/Log P diagram from Week 3 Lab, what is the approximate temperature of the theoretical air parcel at 500 mb? (Image is also attached) A. 2oC B. 24oC C. 28oC D. 15oC Question 26 of 31 Using the Skew T/Log P diagram from Week 3 Lab, at what pressure level is the wind speed the fastest? (Image is also attached) A. 150 mb B. 175 mb C. 200 mb D. 250 mb Question 27 of 31 Using the Skew T/Log P diagram from Week 3 Lab, calculate the height of the lifted condensation level, h(m)=120(T-Td). (Image is also attached) A. 600 m B. 3000 m C. 1800 m D. 4200 m Question 28 of 31 Using the Skew T/Log P diagram from Week 3 Lab, what is the approximate air temperature at the lifted condensation level? (Image is also attached) A. 12oC B. 22oC C. 32oC D. 42oC Question 29 of 31 Using the Skew T/Log P diagram from Week 3 Lab, at approximately what pressure level is the equilibrium height? A. 180 mb B. 130 mb C. 300 mb D. 250 mb Question 30 of 31 At what rate does a theoretical air parcel (solid yellow line in Skew T/Log P diagram) ascend after reaching the lifted condensation level? (Image is also attached) A. environmental lapse rate B. saturated adiabatic lapse rate C. diabatic lapse rate D. dry adiabatic lapse rate |
| Part 4 of 4 -10.0 Points Question 31 of 31 Please upload your Week 3 Lab Report below. |