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Earthquakes and Tsunamis, Irosion - Coggle Diagram
Earthquakes and Tsunamis, Irosion
Earthquakes and Tsunamis
Usually, Earth’s crust moves very slowly – only a few millimeters every year.
Sometimes, two pieces of the crust move suddenly in different directions, and then there’s an earthquake
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When there’s an earthquake, people in buildings go under a heavy table.
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There are earthquakes under the ocean, too.
Usually, they are small and not dangerous.
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Houses, cars, and trees are in the water. The water isn’t clean, so many people are sick
Erosion
Where are these rocks? Are they on the moon? No, they are in Cappadocia in Turkey.
They look like sculptures, but no one made them.
Really, the windy weather made them.
When the weather changes Earth in this way, we call it erosion.
In the Colorado River in the USA, erosion began about 20 million years ago.
The river moved over the rock and slowly broke it. Sun, cold weather, and wind broke the rock, too
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Wind, rain, sun and snow – the weather is a part of Earth’s story
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Rain falls on limestone and makes caves… This story began millions of years ago, and it is still going on.
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