What is fuel?
Provides energy for fire when it burns
What is a natural hazard?
event that has the potential to cause harm, damage, or loss to people, property, and the environment
What are 3 things that act as fuel?
grasses, forest litter lying on the ground, small shrubs, scrub, trees, logs, stumps and bark.
True or False: fires tend to spread faster up a slope than down one.
True: As heat rises in front of the fire, it more effectively preheats and dries upslope fuels, making for more rapid combustion
What is 000
The number to call in a fire emergency
What plant needs heat and smoke to release its seed?
Australian Banksia
What Does Fire Need?
fuel, oxygen and heat
What are the 3 types of weather that impacts a fire?
Air temp, humidity and wind
What is the most dangerous thing that can happen in a bushfire due to the weather?
A change in wind direction is one of the most dangerous influences on fire behaviour
What is convection?
Convection is the movement of heated air.
Smoke and ash is carried upwards by convection currents
How do bushfires spread?
radiant heat, convection and spotting
What are the other two things that effect the bushfires behavior?
Fuel and Weather
What are bad things about fires?
burn and damage vegetation communities, such as rainforest that take hundreds of years to recover
kill or injure individual plants or animals
What year and where was Black Saturday?
2009 and Victoria
What was the name of the sign miss andrews was standing under?
Fire danger rating
What are the three different types of bushfires?
Crown, Ground and surface
True or False: Bushfires can only have negative affects.
False
Why is weather the most variable factor?
weather influences how fast and to what degree fuels dry out. It can also change very quickly
What are the three main areas of prevention
Land management, building management, community education
When do bushfires happen in Brisbane?
Spring
What is a bushfire?
example of a natural disaster which has both natural and human causes
What is topography?
means refers to the shape of the land and surface features of a location or region such as mountains, hills, valleys, plains.
What is a good thing about fires?
encourages new growth that provides food for many animals.
creates hollows in logs and trees that can be used by animals for nesting and shelter.
What year did Ash Wednesday happen?
1983
How do bushfires affect the habitats and food source of different animal species?
Bushfires burns through their food sources and makes it harder for them to find food due to the dry land