A form of precipitation that comes in the form of flakes and consists of clusters of ice crystals frozen together into six sided shapes.
What is snow?
200
The boundary between a warm and cold air mass.
What is a front?
200
A towering cloud that extends upwards to levels of 6-7 km above the earth and heavy rain, lightning and thunder usually follow.
What is a cumulonimbus cloud?
200
Energy from the sun.
What is radiant energy?
300
Round or irregular lumps of ice formed by movement of ice through super cooled moisture in the upper parts of thunderheads.
What is hail?
300
The study of weather.
What is meteorology?
300
A mass of minute water droplets or ice crystals up in the sky.
What is a cloud?
300
The evaporation of moisture from a body of water into the air, then the condensation of this moisture into precipitation, and finally its run into the body of water where it started.
What is the water cycle?
400
A measure of the chilling effect experienced by the human body when strong winds are combined with freezing temperatures.
What is wind chill?
400
Super cooled rain that freezes onto cold surfaces.
What is sleet?
400
The amount of heat in a substance.
What is temperature?
400
Air that holds as much moisture as possible at a particular temperature.
What is saturated air?
400
To turn a gas into liquid by cooling.
What is condense?
500
A measure of the amount of moisture in the air.
What is humidity?
500
A very fine rain consisting of drops less than 0.5mm.
What is drizzle?
500
The average range of weather conditions at any place that occur over a long period of time.
What is climate?
500
The layer of air around the earth that consists mainly of nitrogen and oxygen gases.