Podcast
Questions and Answers
What might be the reasons behind buildings collapsing in photo 1?
What might be the reasons behind buildings collapsing in photo 1?
Geographical explanation: Hills, mountains, plateaus, valleys, etc. are the landforms we see on the earth’s surface. They have been developed and shaped by the internal and external forces. The internal processes are classified into slow movements and sudden movements. The earth’s surface changes slowly but continuously.
Which event is depicted in photo 2?
Which event is depicted in photo 2?
The event depicted in photo 2 is related to the slow or sudden processes operating within the earth's crust.
What are the three types of waves caused by an earthquake?
What are the three types of waves caused by an earthquake?
P-waves, S-waves, and longitudinal waves
What is a 'shadow zone' in the context of an earthquake?
What is a 'shadow zone' in the context of an earthquake?
Which type of earthquake wave can pass through all mediums?
Which type of earthquake wave can pass through all mediums?
Why do seismic waves not reach the entire portion of the Earth during an earthquake?
Why do seismic waves not reach the entire portion of the Earth during an earthquake?
What is the shadow zone for both P and S-waves in relation to the earthquake epicentre?
What is the shadow zone for both P and S-waves in relation to the earthquake epicentre?
Which seismic waves have a larger shadow zone, P-waves or S-waves?
Which seismic waves have a larger shadow zone, P-waves or S-waves?
What is the purpose of an isoseismal line on a map?
What is the purpose of an isoseismal line on a map?
What is the key difference between the Mercalli scale and the Richter scale in measuring earthquakes?
What is the key difference between the Mercalli scale and the Richter scale in measuring earthquakes?
What are the three classifications of volcanoes based on the eruption activity?
What are the three classifications of volcanoes based on the eruption activity?
What is the difference between magma and lava?
What is the difference between magma and lava?
Describe the characteristics of acidic lava.
Describe the characteristics of acidic lava.
What caused the disappearance of the island of Krakatoa during the 1883 eruption?
What caused the disappearance of the island of Krakatoa during the 1883 eruption?
