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Title
Dating
What is an earthquake?
Why do earthquakes happen in clusters?
Why do tectonic plates move?
Why does a building on solid bedrock resist better to an earthquake than a building on sediment or reclaimed land?
Why does a building with base isolation resist better to an earthquake than a building without base isolation?
Why does a building with full bracing resist better to an earthquake than a building with no bracing?
 
How do we know the age of the seafloor?
Tectonics
Geology
 
How do we know the age of the seafloor?
 
Why is the seafloor so recent and the continental crust so old?
 
Where do we find the oldest continental rocks and the oldest seafloor?
 
What are the different types of rocks?
 
What is a fossil and what are they used for?
 
What are hydrothermal vents, and why do we find them along mid-ocean ridges?
Seismology
 
What is a seismic wave?
 
What is the difference between body waves and surface waves? And between P-waves and S-waves?
 
Why can't S-waves travel through liquids?
 
How far can seismic waves reach?
 
Why do P-waves travel faster than S-waves?
 
Why is the interior of the Earth hot?
 
What is the magnetic field of the Earth?
Earthquakes and Faults
 
Why do tectonic plates move?
 
Brief history of the plate tectonics theory
 
Before colliding with Asia, where was India?
 
What is an earthquake?
 
What is the highest magnitude an earthquake can reach?
 
What are the biggest historical earthquakes?
 
Why do earthquakes happen in clusters?
 
Where are earthquakes expected in the world, especially in Asia?
 
What is a supercontinent?
 
Are all the faults on Earth active?
Climate
Sea Levels
 
Why will sea level rise not be the same everywhere?
 
How can we date corals?
Volcanoes
Volcanoes and Eruptions
 
What is the difference between magma and lava?
 
Is lava always liquid?
 
Is the Earth’s mantle made of liquid magma?
 
What does a magma chamber look like?
 
What are the largest eruptions in the world?
 
Are earthquakes and volcanic eruptions related?
 
Where can we find volcanoes on earth?
Natural Hazards, Risk, and Societies
Climate Change
 
What is global warming and what is its main consequence?
 
How can human activities cause climate change?
 
Why do urbanisation and deforestation make flooding more likely?
Earthquake Hazards
 
Is Singapore threatened by earthquakes?
 
Can we predict earthquakes?
 
Why does a building on solid bedrock resist better to an earthquake than a building on sediment or reclaimed land?
 
Why does a building with base isolation resist better to an earthquake than a building without base isolation?
 
Why does a building with full bracing resist better to an earthquake than a building with no bracing?
Impacts of Volcanic Hazards
 
What are the principal signals of a volcanic unrest? How can we forecast volcanic eruptions?
Tsunamis
 
Where is a tsunami most likely to happen?
 
Can Singapore be affected by a tsunami?
 
Can animals sense an impending tsunami?
 
What should we do during a tsunami?
 
Why do trees seem to resist more to tsunamis than houses?
 
Why does a boat at sea experience a tsunami differently from a boat near the shore?
Miscellaneous
Why are there mass extinctions?
How did life appear on earth?
How does photosynthesis work?
What is GPS?
What is gravity?
What is the big bang?
How do we know the age of the earth? What about the age of the solar system?