Natural Disasters
What are natural disasters?
powerful and often devastating events that occur in nature.
What is a tsunami?
a series of huge ocean waves.
What is a flood?
When an area of land that is usually dry gets submerged in water.
What is a blizzard?
A storm which contains large amounts of snow.
What is a tornado?
Is a rapidly rotating column of air that extends from a thunderstorm to the ground.
Name all 9 natural disaster's vocab.
Natural disaster, Tsunami, Hurricane, Floods, Drought, Blizzard, Earthquake, Tornado, Wildfire.
How are tsunami caused?
Caused by underwater earthquakes, volcanic eruptions, or landslides.
How are floods caused?
When intense rain falls over a short period of time or when streams overflow onto the surrounding area.
How are blizzards caused?
Caused by the combination of heavy snowfall and high wind.
How are tornados formed?
When wind variations with height support rotation in the updraft.
Natural disaster may cause....
destruction and sometimes loss of life
What is a hurricane?
A massive rotating storm with high winds that forms over warm ocean waters.
What is a drought?
Is a prolonged peirod of below average rainfall that can lead to water shortage.
What do blizzards create?
They create snowdrifts and icy conditions that distrupt transportation and daily life.
What is a wildfire?
Uncontrolled fires that spread rapidly through wooded areas and grasslands.
Name the natural disaster defined by the rapid and uncontrolled spread of fire.
Wildfire.
What is a primary source of energy for hurricanes?
The energy source is the latent heat of water.
How are droughts caused?
Droughts are caused by low precipitation over an extended period of time.
What is a earthquake?
When the ground shakes because of the movement of rock beneath the earth's surface.
How do wildfires form?
Wildfires can start with a natural occurence like lightning strike or a human made spark.
Which natural disaster is caused by the sudden and violent release of energy from within the earth?
Earthquakes.
What layer of the atmosphere do hurricanes typically form in?
What factors can lead to drought formation?
High water demand.
How are earthquakes movement caused?
This movement is caused by the release of energy stored in the earth's crust.
What are the three main factors that contribute to the spread of wildfires?
Fuel, heat, and oxygen.