Weather

Water Cycle

100

Nature’s way of recycling water.

What is the water cycle?

200

The process of water changing into an invisible gas called water vapor

What is evaporation?

300

The product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds

What is precipitation. 

400

The process of water vapor turning into water droplets

What is condensation?

500

What is the process of water entering the atmosphere through the leaves of plants.  

What is transpiration? 

Clouds

100

Gray clouds that cover the lower part of the sky; rain or snow falls from them

What are stratus clouds?

200

White, puffy clouds that look like piles of cotton; they are known as fair-weather clouds

What are cumulus clouds?

300

Thin, feathery clouds that appear high in the sky; they are a sign that rain or snow is on the way

What are cirrus clouds?

400

Cloud that forms at the earth’s surface

What is fog?

500

What is the name for a tiny suspended particle needed for water droplets to condense on?  Examples of particles include dust, smoke, and ash. 

Condensation nuclei 

Vocabulary

100

Scientist who Study weather

Who are meteorologist. 

200

What is water vapor in the air referred to as

What is humidity? 

300

What is the amount of water vapor in the air compared to the amount of water vapor the air can hold called? (Expressed as a percentage) 

What is Relative Humidity 

400

Temperature to which air must be cooled to become saturated with water vapor,

What is dew point temperature? 

500

What is the name of the instrument used in class to measure relative humidity 

What is psychrometer? 

Relative Humidity

100

As the temperature of the air increases, the air can hold more or less water vapor 

What is more? 

200

What is the maximum percentage of relative humidity that is possible? 

What is 100% 

300

What two things are needed to calculate the relative humidity on the chart. 

1) Dry bulb temperature 

2) Difference between the dry bulb and wet bulb temperature. 

400

Find the Relative humidity if the Dry-bulb temperature  is 28°C  and the difference between the wet and dry bulb is 8°C. 

What is 47% 

500

Find the relative humidity if the Dry-bulb temperature is 20°C and the wet-bulb temperature is is 16°C. 

What is 66% 

Dew point

100

What forms when the dew point temperature is reached? 

What is dew? 

200

What forms when the dew point temperature is below 32 degrees fahrenheit?

What is Frost? 

300

What is the relative humidity percentage what the dew point is reached. 

What is 100% 

400

What is the dew point if the Dry-bulb temperature is 20°C  and the difference between the dry-bulb and wet-bulb if 5°C. 

What is 12°C 

500

What is the dew point if the dry-bulb temperature is 22°C  and the wet-bulb temperature is 19°C 

What is 17°C