This is the number of layers in Earth's atmosphere.
What is 5?
This weather system circulates clockwise, generally pushed down from the sky and usually indicates nice weather.
What is a high pressure zone?
What clouds are made of?
What water droplets or ice crystals?
An instrument used to measure wind speed.
What is an anemometer?
This happens on March 21st.
What is vernal equinox or the beginning of spring?
This gas makes up 78% of Earth's atmosphere.
What is Nitrogen?
The layer closest to Earth, where life exists and all weather occurs.
What is the troposphere?
Clouds that are white, puffy, and usually mean fair weather.
What are cumulus clouds?
An instrument used to measure temperature.
What is a thermometer?
Air molecules are excited, less dense, and move away from each other.
What is warm air?
This gas makes up 21% of Earth's atmosphere.
What is Oxygen?
The beginning of space, where satellites orbit.
What is the exosphere?
Low altitude clouds that spread out over a large area like a blanket. They usually bring rain.
What are stratus clouds?
An instrument used to measure rain.
What is a rain gauge?
On a weather map, these are blue lines with triangles.
What is a cold front?
Occurs on December 21st (two answers).
What is the winter solstice and is the shortest day of the year (in the northern hemisphere)?
When warm fronts and cold fronts collide, where clouds form, and can cause severe weather.
What is convergence?
These clouds are thin, feathery, high altitude clouds. They are made up of tiny ice crystals and may tell us that rain or snow is coming in a day or two.
What are cirrus clouds?
An instrument used to show the direction of the wind.
What is a wind vane/weather vane?
This prefix is Latin and means rain.
What is nimbo-?
Three ways that Earth's atmosphere benefits us.
What is: protection from the Sun's radiation, controlling day time and night time temps, and protection from meteoroids.
The system moves counter clockwise, and air is pushed upwards, and are usually located in stormy areas.
What is low pressure system?
These clouds often begin as cumulus clouds and grow into higher altitudes. They bring stormy weather, rain, lightning, hail, and even tornadoes.
What are cumulonimbus clouds?
An instrument used to measure atmospheric pressure.
What is a barometer?
On a weather map, these are red lines with semi-circles.
What is a warm front?