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Chapter 10 - Earth's Structure
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Is volcano the same as a mountain? Explain the differences.
A volcano is a mountain with an opening for magma and gas beneath the Earth to escape. They are formed in the breaks of Earth's crust.
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Why do scientists use seismograph?
Because they can measure the movement of Earth's surface caused by earthquakes so they can understand the effects of earthquakes.
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What causes an earthquake to happen?
The movement of tectonic plates causes the ground to shake suddenly and violently.
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What are the two effects of earthquake?
People may be injured or even die and buildings and homes can be damaged.
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What are the three different types of tectonic plates movements?
1. A tectonic plate can crash and slide under another plate, slide past another plate, or move away from another plate.
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List the Earth's layers from the top to bottom and describe each of their state of matter (liquid, gas, solid).
Crust (solid), Mantle (semi-liquid), Outer core (liquid), Inner core (solid)
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How does a volcanic eruption happen? Explain clearly (use words: pressure, temperature, mantle)
A volcanic eruption happens when the temperature and pressure in the Earth's mantle become too high.
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What are the common features of a volcano? List them from the deeper parts of our Earth.
Magma chamber, vent, crater, ash cloud, lava
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