Show:
Precipitation
Weather Factors
Weather Patterns
The Atmosphere
Air Masses and Fronts
100
What are the common types of precipitation?
Snow, Rain, Sleet, Freezing Rain, and Hail
100
What is wind?
The horizontal movement of air from an area of high pressure to an area of lower pressure.
100
How does a thunderstorm form?
Thunderstorms form in large cumulonimbus clouds, also known as thunderheads.
100
What is the atmosphere?
An envelope of gases that surrounds the Earth.
100
Where do continental polar masses come from?
Central and northern Canada and Alaska
200
What are snowflakes?
Snowflakes are tiny ice crystals. They all have six sides or branches.
200
How is heat transferred?
Radiation, Conduction and Convection
200
How is Lightning dangerous
When lightning strikes the ground, the hot, expanding air can shatter tree trunks or start forest fires. When lightning strikes people or animals, it acts like a powerful electric shock. Lightning can cause unconsciousness, serious burns, or even heart failure.
200
What way is the atmosphere important to life on Earth?
Help plant growth
200
What are the four major types of air masses?
Maritime Tropical, Maritime Polar, Continental Polar, and Continental Tropical
300
What measures rain?
Rain Gauge
300
What is the Coriolis Effect?
The way Earth’s rotation makes winds curve
300
What states contain Tornado Alley?
Texas,Kansas,Nebraska,Colorado,South Dakota, Missouri, Iowa, Oklahoma
300
What is Earth's atmosphere made up of?
Carbon Dioxide, Oxygen, Nitrogen and Other Gases
300
How can air masses be classified?
Temperature and Humidity
400
What is the method to modify precipitation?
Cloud Seeding
400
Which way do the winds turn in the Southern Hemisphere?
West
400
What is a Tornado Warning?
An alert issued by the government weather services to warn that severe thunderstorms with tornadoes that has hit land.
400
What is the Ozone.
A form of oxygen that has three oxygen atoms in each molecule instead of the usual two.
400
In the Continental United States, what are air masses commonly moved by?
Prevailing Westerlies and Jet Streams
500
What instruments do scientists use to measure precipitation?
Rain Gauges and Measuring Sticks
500
How is the air near Earth's surface heated
Convection Currents
500
What is a Storm Surge?
A rising of the sea as a result of atmospheric pressure changes and wind associated with a storm.
500
The condition of Earth's Atmosphere at a particular time in place is called what?
Weather
500
In what direction does the jet stream move storms?
From West to East