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WorksheetsTsunami!
Total questions: 6
Worksheet time: 3mins
What causes a tsunami?
shaking of the water during an earthquake or volcano
Seismic energy released by tectonic plates
a really big boat
Which word do we use to describe how big an earthquake is?
seismic
meteorologic
lithosphere
magnitude
The scale that we measure magnitude is ...
The Reinhart Scale
The Roosevelt Scale
The Richter Scale
The Rose Scale
The 2011 earthquake in Japan (that you watched the Edpuzzle video about) measured 9.2 on the Richter scale. This means
buildings fell down
windows broke
catastrophic damage
it was the biggest earthquake ever
What's the lithosphere?
The crust and upper mantle, which are affected by earthquakes.
The crust and the atmosphere, where we see shaking occurring.
The atmosphere and the biosphere.
The upper and lower mantle, where volcanic magma is made.
Why do tsunami waves get so big?
Seismic energy is released in the water
The further the waves go from the epicentre, the bigger they get
As the waves get closer to shore, friction lowers the speed but raises the height
