The condition of the atmosphere at a certain place and time.
What is weather?
100
This forms at night, land loses heat more quickly than water. As the air over land cools, the air pressure rises. Cooler, higher-pressure air flows from the land toward the sea.
What is a Land Breeze?
100
A large body of air with the same temperature and humidity throughout.
What is an Air Mass?
100
This type of weather can be expected in an area experiencing High Pressure.
What is Cold and freezing?
100
As air masses move across an area, they can collide. The boundary between two air masses is called a.
What is a Front?
200
This instrument measures wind speed.
What is an Anemometer?
200
These are the five types of precipitation.
What are Rain, Sleet, Hail, Snow, and Freezing Rain?
200
Water falls from clouds to Earth's surface.
What is precipitation?
300
This is an instrument that measures air pressure.
What is a Barometer?
300
The amount of water vapor in the air is.
What is Humidity?
300
A prediction about the future weather conditions of a place is.
What is a weather forecast?
300
These clouds are white and puffy and are common on clear, sunny days.
What are Cumulus clouds?
300
These clouds are seen high in the sky and are thick. These
clouds usually signal that a storm is coming ...soon.
What are Cumulonimbus clouds?
400
The weight of the atmosphere pressing down on Earth's surface is.
What is Air Pressure?
400
This forms where a cold air mass bumps into a warmer air mass.
What is a Cold Front?
400
The mixture of gases that surround Earth is.
What is Atmosphere?
400
This is an instrument that measures humidity.
What is a Thermometer?
400
This forms where a warm air mass moves over a cold air mass.
What is a Warm Front?
500
This type of weather can be expected in an area experiencing Low Pressure.
What is Lots of wind and sunshine?
500
These clouds look like white streaks and are high and thin. These clouds usually signal cool, fair weather.
What are Cirrus clouds?
500
These clouds are low and gray, making the day dark and gloomy. These clouds can produce or signal incoming rain or snow.
What are Stratus clouds?
500
This forms during the day, land heats up more quickly than water. Air over the land also warms, causing the air pressure to drop. Cooler, higher-pressure air flows from over the water to the land.
What is a Sea Breeze?
500
This is higher at the base of a mountain than at its top.