Bushfires

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How do Bush fires start?
Bush fires start mostly due to carelessness, such as barbques left unattended or cigarettes left alone too. It may also be because of lightning that will strike during a storm and set the dry leaves (due to drought) alight
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How do bushfires spread?
Through three main way. The first is a crown fires, ground fires or spot fires
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What is a crown fire?
A crown fire is where the touching of the tops of the trees spread the fire, this is mostly catastrophic in dense woodlands or the due to the Eucalypti tree that has a tall spread out top, which will mean the fire will spread further
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What is a ground fire?
Where the dry leaf litter and twigs catch light and the fire spread through the undergrowth, the drier the climate, the drier the leaves, the faster it will spread
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What is a spot fire?
Where debris or embers from the main fire is lifted into the air and falls a length away from the main fire, creating a new area of fire
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what were the impacts of the Ash Wednesday bushfire in Australia?
In 1983 (Ash Wednesday) 75 people were killed and 400,000 hectares were destroyed
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How have they tried to reduce the damage done by bushfires?
Through educational programmes and controlled burning
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What is controlled burning?
They regularly burn leaf litter to reduce the fuel for bushfires
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How does educational programmes help?
They use posters that instruct people what to do in such an event, encourage the use of sprinkler systems and have enrolled protective measures into their curricula
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Other cards in this set

Card 2

Front

How do bushfires spread?

Back

Through three main way. The first is a crown fires, ground fires or spot fires

Card 3

Front

What is a crown fire?

Back

Preview of the front of card 3

Card 4

Front

What is a ground fire?

Back

Preview of the front of card 4

Card 5

Front

What is a spot fire?

Back

Preview of the front of card 5
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