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earthquakes
voc
| Question | Answer |
|---|---|
| earthquake | An earthquake is the sudden shaking of the Earth’s surface caused by movement of rocks beneath the ground, usually along cracks called faults. |
| fault | A fault is a crack or fracture in the Earth’s crust where rocks on either side have moved past each other. |
| seismic wave | A seismic wave is a wave of energy that travels through the Earth when an earthquake happens. |
| focus | The focus (also called the hypocenter) is the point inside the Earth where an earthquake starts. It is the place underground where rocks break and energy is first released, creating seismic waves. |
| epicenter | The epicenter is the point on the Earth’s surface directly above where an earthquake starts (above the focus). |
| volcano | A volcano is an opening in the Earth’s surface through which hot molten rock (called magma), ash, and gases escape. |
| hot spot | A hot spot is a place deep inside the Earth where very hot magma rises up from the mantle and creates volcanoes. |
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user-2007391