National Disaster

NATURAL DISASTERS WORKSHEET

Bushfires

Q1. Name three things that can trigger bushfires.

Q2. What is the most common fire igniter in remote bushland areas?

Q3. What is an arsonist?

Q4. What was the cause of the 1949 French bushfire?

AUSTRALIAN BUSHFIRE CASE STUDY

Q5. How many South Australian and Victorian homes were destroyed in fires in 1983?

Q6. What was the cause of the fires?

Cyclones

Q1. What is a cyclone?

Q2. Which way do the winds turn in a Hurricane?

Q3. Where do cyclones develop?

Q4. What is the calm at the centre of the storm called?

Q5. Approximately how many tonnes of air per second are pumped out by a fully developed cyclone?

Q6. What is the trigger for most Indian Ocean cyclones?

CYCLONE TRACEY

Q8. What day did Cyclone Tracy hit?

Q7. What was the death toll?

Drought

Q1. How long can droughts last for in extreme cases?

Q2. In 1982 how many percent of Australian sheep and cattle had died?

Q3. Name 2 kinds of drastic measures that may need to be taken in

severe case of drought.

AFRICAN CASE STUDY

Q4. How long did the Emperor of Ethiopia reign for?

Q5. What does the word sedentary mean?

DALBY PERSONAL ACCOUNT

Q6. How many sheep survived the night out the 330 sheep that were

shorn?

Earthquakes

Q1. What causes earthquakes?

Q2. What are the four main layers of the earth?

Q3. What is the core mostly made of?

Q4. Name the underground origin of an earthquake.

Q5. Who compiled the Mercalli Scale?

Q6. What does the Richter Scale measure?

EARTHQUAKE IN CHILE

Q7. What is another name for tremor?

Q8. How high was the wave of earth?

Famine

Q1. Name at least 3 causes of Famine.

Q2. Name 2 first world countries and 2 third world countries.

Q3. In 1991 what was the cause of all the deaths in Southern Sudan (Africa)?

Q4. What do worms do to children in the third world countries?

FAMINE CASE STUDY

Q5. In Somalia what months does the rain fall in the two seasons?

Q6. Who was the ruler of Ethiopia that is mentioned in the Ethiopian case study?

Floods

Q1. What do rising waters do to surrounding land?

Q2. How many stages are floods regarded as?

Q3. What does the Nile river bring from up the river?

CALIFORIAN PERSONAL ACCOUNT

Q4. How did Lois Card's mother find out that her family was OK?

1974 BRISBANE FLOOD

Q5. What was the name of the cyclone that caused the Brisbane floods to occur?

Tornadoes

Q1. What is a tornado commonly known as?

Q2. How do Tornadoes form?

Q3. In what season do tornadoes occur?

Q4. How many hours did it take the Super-Outbreak-148 in 1974?

Tsunamis

Q1. Why is the name tidal wave inappropriate for a tsunami?

Q2. How high can a tsunami grow to?

Q3. What are the three major causes of tsunamis?

Q4. Where do most tsunamis occur?

Q5. Where does a tsunami warning system now operate?

THE ALASKAN TSUNAMIS

Q6. Where was the source of the quake?

Q7. How far away is Valdez from the source