Natural disasters & hazards
List two positive impacts of disasters and hazards.
can make soil more fertile, rebuilding can lead to stronger safer buildings, can become more prepared, creation of jobs through rebuilding, improved warning systems and technology.
What type of mosquito spreads malaria?
Female Anopheles mosquito
A flood
what is when it rains a lot rivers can get so full and water can go over into homes?
Pyroclastic flow
What is fat-moving, extremely hot, and deadly current of volcanic ash, gas, and rock fragments that travel down a volcanoes slope?
What is Black Saturday?
This extreme fire weather day on February 7, 2009, became Australia’s worst natural disaster.
List three negative impacts of hazards & disasters
Death, economic loss, environmental damage, loss of habitats, displacement, health issues
In what type of climates is malaria most commonly found?
Tropical and subtropical regions
Earthquake
What is the land shakes because of the plates of the earth moving?
What is magma called once it reaches the Earth’s surface during an eruption?
Lava
Temperatures reached around this record-breaking number in Melbourne, helping fuel the fires.
46 degrees
What is a natural disaster?
What is a natural event such as a flood, earthquake, or hurricane that causes great damage or loss of life
Name our local malaria case study.
Mentawai Islands
Bushfire
An uncontrolled fire that burns in natural vegetation.
What is the name of the region around the Pacific Ocean where many volcanoes and earthquakes occur along tectonic plate boundaries?
Ring of Fire
Approximately this many people lost their lives in the Black Saturday bushfires.
173
What is a natural hazard?
A natural event or process that has the potential to cause harm to people, property, or the environment.
Name two short-term and two long-term impacts of malaria.
Short-term- unable to work or go to school, feeling unwell, weakened immunity
Long-term- death, reduces productivity in a country, increases healthcare costs
Volcanic eruption
An opening or rupture in the Earth’s surface where molten rock (magma), gases, and ash escape from below the crust.
At which type of tectonic plate boundary do most volcanoes form due to one plate being forced beneath another?
Convergent boundary
What is Code Red (or Catastrophic fire danger rating)?
This fire danger rating category, introduced after Black Saturday, replaced the previous highest level of “Extreme” to indicate catastrophic conditions.
When it does not rain the land is very dry. It’s very difficult to grow food.
What is a drought?
Why is it difficult to completely eliminate malaria in many regions, even when effective treatments are available?
Because mosquitoes continue to transmit the parasite, resistance can develop to drugs and insecticides, and environmental and socio-economic factors make control challenging.
Malaria
A serious infectious disease caused by parasites that are spread to humans through the bites of infected female Anopheles mosquitoes.
Lahar
What is a mudslide that is like a flood of concrete?
What is the name given to the official 2010 inquiry, led by Justice Bernard Teague, examined the causes and responses to the Black Saturday bushfires.
The Victorian Bushfires Royal Commission