Page 116 - 2019 SK T5 English
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Earthquakes
What is an earthquake?
An earthquake is the result of violent shaking
and movements of the Earth’s surface. It
causes great destruction.
How does an earthquake happen?
An earthquake happens when the Earth’s crust
moves in different directions. These create an
energy called seismic waves.
What happens in an earthquake?
When there is an earthquake, the ground
shakes or vibrates. Deep inside the Earth, there
are big movements that cause upheavals.
When the movements are strong, they crack
open the ground.
How do we measure an earthquake?
An earthquake is measured using an
instrument called seismometer. It measures
and records details of the earthquake such as
the force and duration.
What can we do about it?
During an earthquake, seek a clear space and
drop to the ground. Be aware of things that can
fall or hurt you. Always remember to protect Upheavals refer to a
your neck. sudden change inside
the Earth.
Answer the questions.
1. Why does an earthquake cause massive destruction?
2. Do you think it is possible to prevent an earthquake? Why?
3. Why do you need to drop to the ground during an earthquake?
4. How can you help the victims?
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2.2.2(a), 2.3.1( b)
