Water cycle, humidity, pressure and station model

What needs to be reached in order for precipitation to likely form?

• Dew point
• Relative humiti
• temperature
• Evaporation point

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

Air Pressure _________ as you climb mountains.

• increases
• decreases
• stays the same 
• none of these

 Precipitation is associated with

• low pressure
• high pressure
• medium pressure
• no pressure

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Most clouds form in the atmosphere when moist air

• rises, expands, and warms to the dewpoint

• rises, expands, and cools to the dewpoint

• sinks, compresses, and cools to the dewpoint

• sinks, compresses, and warms to the dewpoint

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

What is the relative humidity of the air when the dry-bulb temperature is 4°C and the dewpoint is –4°C?

• 42%

• 46%

• 51%

• 56%

What is the dewpoint when the dry bulb temperature is 20°C and the relative humidity is 17%?

• −5°C

• −2°C

• 11°C

• 15°C

Clouds most likely form as a result of

• moist air rising, compressing, and warming

• moist air rising, expanding, and cooling

• dry air rising, compressing, and warming

• dry air rising, expanding, and cooling

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

What is the relative humidity if the dry-bulb temperature is 16°C and the wet-bulb temperature is 10°C?

• 4%

• 37%

• 45%

• 16%

A psychrometer is used to determine which weather variables?

• air pressure and air temperature

• wind speed and wind direction

• percentage of cloud cover and cloud height

• relative humidity and dewpoint

Which weather variable generally decreases when wind speed is increasing, clouds are thickening, and visibility drops?

• relative humidity

• dewpoint

• air pressure

• precipitation

Tags

NGSS.MS-ESS2-5