Natural Disasters In Australia Quiz

1.

When did Tropical Cyclone Yasi hit Australia?

A.

2011
B.

2012
C.

2010
D.

2009

Correct Answer
A. 2011

Explanation
Tropical Cyclone Yasi hit Australia in 2011.

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2.

What is a typical identifier of Tropical Cyclones?

A.

Strong winds and thunder
B.

Thunder and heavy rain
C.

Strong winds and heavy rain
D.

Fire and heavy rain

Correct Answer
C. Strong winds and heavy rain

Explanation
Tropical cyclones are typically characterized by strong winds and heavy rain. These weather phenomena are the main identifiers of tropical cyclones. Strong winds can reach speeds of over 74 miles per hour and can cause significant damage to structures and vegetation. Heavy rain is another characteristic of tropical cyclones, with intense rainfall leading to flooding and potential water damage. The combination of strong winds and heavy rain is a key feature of these powerful storms.

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3.

Which of these is not an actual name of a Tropical Cyclone?

A.

Dominic
B.

Jayden
C.

Iggy
D.

Yasi

Correct Answer
B. Jayden

Explanation
The names of tropical cyclones are determined by international organizations, such as the World Meteorological Organization (WMO). They use a predetermined list of names for each tropical cyclone season. The names listed in the question, Dominic, Iggy, and Yasi, have all been used as names for tropical cyclones in the past. However, Jayden is not an actual name of a tropical cyclone.

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4.

A flood is ______

A.

A violent disturbance of the atmposphere
B.

A shortage of water
C.

Overflowing of a large amount of water

Correct Answer
C. Overflowing of a large amount of water

Explanation
The correct answer is "overflowing of a large amount of water". This answer accurately describes a flood as the occurrence of a substantial quantity of water exceeding its normal boundaries, such as rivers or lakes, and spreading over land areas. Flooding can result from heavy rainfall, melting snow, or the failure of dams or levees. It causes water to accumulate and inundate areas that are typically dry, leading to damage to infrastructure, displacement of people, and potential loss of life.

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5.

Which of these could you still use in an extremely flooded area?

A.

A boat
B.

A bike
C.

A car

Correct Answer
A. A boat

Explanation
In an extremely flooded area, a boat would be the most suitable option to use. Unlike a bike or a car, a boat is designed to navigate through water and can provide transportation in flooded conditions. It can float on the water's surface, allowing people to move around and reach areas that are inaccessible by other means of transportation. Therefore, a boat is the most practical choice in such a situation.

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6.

Which of these is not a cause of environmental flooding?

A.

Heavy rainfall
B.

Tropical cyclones
C.

Someone overflows their bathtub

Correct Answer
C. Someone overflows their bathtub

Explanation
Someone overflowing their bathtub is not a cause of environmental flooding. Environmental flooding typically occurs due to natural causes such as heavy rainfall or tropical cyclones. Overflowing a bathtub is a localized event that may cause water damage within a specific area, but it does not have the scale or impact to cause widespread environmental flooding.

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7.

Earthquakes can cause all sorts of other natural disasters.

A.

True
B.

False

Correct Answer
A. True

Explanation
Earthquakes can indeed cause various natural disasters such as tsunamis, landslides, and even volcanic eruptions. The intense shaking of the earth's crust during an earthquake can trigger these secondary events, leading to widespread destruction and loss of life. Tsunamis, for example, are often generated by undersea earthquakes that displace large volumes of water, resulting in massive ocean waves. Similarly, earthquakes can destabilize slopes and trigger landslides, which can bury communities and infrastructure. Additionally, volcanic activity can be induced by seismic activity, as the movement of tectonic plates can cause magma to rise to the surface, leading to volcanic eruptions. Therefore, the statement is true.

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8.

Earthquakes can bring down buildings.

A.

True
B.

False

Correct Answer
A. True

Explanation
Earthquakes can bring down buildings due to the intense shaking and ground movement they cause. The energy released during an earthquake can cause structural damage to buildings, especially if they are not designed or constructed to withstand such forces. The shaking can lead to the collapse of weak or poorly built structures, posing a significant risk to people's safety. Therefore, it is true that earthquakes have the potential to bring down buildings.

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9.

There are different severity levels of earthquakes.

A.

True
B.

False

Correct Answer
A. True

Explanation
The statement is true because earthquakes are classified into different severity levels based on the amount of energy released and the resulting damage. This classification system, known as the Richter scale or the moment magnitude scale, allows scientists to categorize earthquakes as minor, light, moderate, strong, major, or great, depending on their magnitude. This helps in understanding the potential impact and preparing for future earthquakes.

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10.

__________ trees need bushfires to germinate their seeds.

Correct Answer
eucalyptus

Explanation
Eucalyptus trees need bushfires to germinate their seeds. This is because the heat from the fire causes the hard outer casing of the seed to crack open, allowing it to sprout and grow. Additionally, the fire clears away competition from other plants, providing the eucalyptus seedlings with more space and resources to thrive. This adaptation to fire is a survival strategy for eucalyptus trees, enabling them to reproduce and establish themselves in fire-prone environments.

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11.

Lightning hitting dead ______ and/or trees start bushfires

Correct Answer
leaves

Explanation
Lightning hitting dead leaves or trees can cause them to ignite and start bushfires. Dead leaves are highly flammable and can easily catch fire when struck by lightning. The heat generated from the lightning strike can ignite the dry leaves, leading to the spread of fire. This is a common cause of wildfires in areas with dry vegetation.

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12.

Bushfires can ______ and take life away.

Correct Answer
give

Explanation
Bushfires can give and take life away. This means that while bushfires can provide certain benefits to the environment, such as clearing out old vegetation and promoting new growth, they can also be extremely destructive and cause loss of life.

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