Lab 7a Meteorology Questions and Answers Latest Version 100% Pass

Lab 7a Meteorology Questions and Answers Latest Version 100% Pass What is the key instrument used to measure dew point in a weather lab? Hygrometer What lab tool is commonly used to measure the temperature of the air? Thermometer What does a sling psychrometer measure in meteorology labs? Relative humidity What happens to wet bulb temperature when evaporation occurs quickly? It decreases What does a larger difference between dry and wet bulb readings suggest? Lower humidity 2 What does it mean when the dry bulb and wet bulb temperatures are the same? Air is saturated What is used to simulate cloud formation in lab experiments? A closed bottle with warm water and smoke particles Why is smoke sometimes added to a bottle during a cloud lab? To provide condensation nuclei What is the purpose of rapidly squeezing and releasing a bottle in a cloud formation lab? To change the pressure and form a cloud In lab experiments, what does the sudden expansion of air inside a bottle cause? Cooling and condensation What visual change indicates a cloud has formed in a lab bottle experiment? A visible mist or fog appears 3 What is the term for cooling due to a drop in air pressure inside a container? Adiabatic cooling What condition is necessary for a cloud to form in a sealed container? Air must be saturated Why is it harder for clouds to form without particles in the air? Water vapor needs a surface to condense on Which variable is most directly changed when you pump air into a bottle in a lab setting? Pressure What effect does increasing pressure in a sealed container have on air temperature? It increases the temperature What weather element is being modeled when lab activities involve changing air temperature and humidity? Cloud formation 4 Why do we observe fog forming over ice in some lab setups? Cold air cools the moist air to the dew point What result is expected when moist air in a lab