Act Cool
The coldest season of the year. It is associated with plunging temperatures and icy weather.
Winter
A tool that measures temperature.
Thermometer
A type of balloon that contains measuring instruments and that is sent into the air in order to find out information about weather conditions.
Weather Balloon
An overflowing of water onto land that is normally dry.
Flood
Another word for "Autumn"
Fall
Forms mainly when water vapor turns to ice without going through the liquid stage.
Snow
Instrument that measure the amount of liquid precipitation.
Rain Gauge
Man-made device that revolves around the Earth and detects and reports weather patterns on the Earth's surface.
Weather Satellite
Accumulation
The process where water gathers in large bodies like oceans.
The movement of air, caused by the uneven heating of the Earth by the sun and the Earth's own rotation.
Wind
Frozen precipitation that can grow to very large sizes through the collection of water that freezes into "stones."
Hail
An instrument for determining the pressure of the atmosphere.
Barometer
Narrow, violently rotating column of air that extends from a thunderstorm to the ground.
Tornado
When water falls down to Earth's surface.
Precipitation
An instrument that measures where the wind is blowing.
Wind Vane
Small ice particles that form from the freezing of liquid water drops, such as raindrops
Sleet
An instrument that measures humidity.
Hygrometer
A weather event that includes low temperatures, wind speeds greater than 56 kilometers per hour, and a large amount of falling or blowing snow.
Blizzard
The amount of water vapor in the air.
Humidity
A moving mass of warm air pushes into a mass of cold air resulting in a rise in temperature.
Warm Front
When a cold, dense air mass pushes under a warm, lighter air mass, forcing the warm air to rise
Cold Front
A device used to measure wind speed.
Anemometer.
The long-term average of temperature, precipitation, and other weather variables at a given location.
Climate
Process where water vapor cools and changes into liquid water.
Condensation
A measure of the force applied over a unit area.
Pressure