49 Questions
During which season do bushfires usually happen in Australia?
Summer
What can cause bushfires in Australia?
Lightning strikes
What should people have ready in case of a bushfire?
Emergency kit
Which type of volcano is formed by explosive eruptions that eject small pieces of lava into the air?
Cinder cone volcanoes
What is the main cause of floods in Australia?
Tropical cyclones
What is the temperature that lava can reach during a volcanic eruption?
1,100 degrees Celsius
What positive impact can floods have on the environment?
Filling up dams
Which natural events can cause tsunamis?
All of the above
What happens when a tsunami reaches shallow water near the shore?
It grows taller
Why are tsunamis hardly noticeable out in the deep sea?
They are masked by other waves
What is the first sign of a tsunami?
The water pulling back from the shoreline
Which of the following is a warning sign of a tsunami?
The ground shaking
What happens to a tsunami as it approaches the coastline?
It grows taller
Why is it crucial for people who live near the ocean to be prepared for a tsunami?
Tsunamis can cause flooding
What causes a tsunami to form?
A sudden movement of the Earth's crust under the sea
Which of the following is true about tectonic plates?
They are constantly moving, although very slowly
What happens when two tectonic plates collide?
They create mountains
What causes the formation of volcanoes?
The eruption of magma onto the Earth's surface
What is the Richter scale used to measure?
The strength and duration of seismic waves
During which seasons do bushfires usually happen in Australia?
Spring and summer
What is the purpose of an emergency kit during a bushfire?
To help people be prepared
What causes most bushfires in Australia?
Both lightning strikes and human causes
What do firefighters use to put out bushfires?
Both special equipment and helicopters
What is the main reason why bushfires spread quickly in Australia?
Both hot weather and strong winds
What happens to the land after a bushfire?
Both plants and trees need to grow again and animals need to find new homes
Which of the following is NOT a type of volcano mentioned in the text?
Magma volcanoes
What is the main cause of volcanic eruptions?
Pressure from magma
What temperature can lava reach during a volcanic eruption?
1,200 degrees Celsius
What are the positive effects of volcanic eruptions?
Enriching the soil
What is one of the main causes of floods in Australia?
Tropical cyclones
What are the negative impacts of floods?
Destroying homes and buildings
Which of the following is NOT a warning sign of a tsunami?
The ocean appearing calm and still
What happens when a tsunami reaches shallow water near the shore?
It grows taller and crashes onto the land
What causes tsunamis to form?
All of the above
Why is it crucial for people who live near the ocean to be prepared for a tsunami?
Tsunamis can cause devastating flooding
What happens to a tsunami as it approaches the coastline?
It grows taller and crashes onto the land
What is the first sign of a tsunami?
The water pulling back strangely
Which of the following best describes the impact of a tsunami when it reaches shallow water near the shore?
It grows taller and crashes onto the land
What is the main cause of tsunamis?
All of the above
Why are tsunamis hardly noticeable out in the deep sea?
Ships sailing far from the coast rarely feel them
What is the first sign of a tsunami?
The water pulling back strangely
What can cause damage and danger to communities during floods?
The impact of floods
What should people do if they hear the warning signs of a tsunami?
Follow the guidance of adults and head to higher ground immediately
Which of the following is true about tectonic plates?
Tectonic plates are constantly moving, although very slowly.
What causes the formation of mountains when tectonic plates collide?
The crashing of tectonic plates together.
What is the main cause of earthquakes?
The movement of tectonic plates.
What is the strength of an earthquake measured by?
The Richter scale.
What natural disasters can be triggered by earthquakes?
Tsunamis and landslides.
How do scientists determine the location and magnitude of an earthquake?
By using seismographs to measure the strength and duration of seismic waves.
Test your knowledge about volcanoes and their explosive nature. Learn about the formation of magma and how it leads to volcanic eruptions. Explore the different types of volcanic activity and the impact they have on the Earth's surface. Discover fascinating facts about volcanoes and their role in shaping our planet.
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