level: Level 1
Questions and Answers List
level questions: Level 1
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| Tectonic plate | massive slab of solid rock made up of Earth's lithosphere |
| Convection currents | heat-driven cycles that occur in the air, ocean, and mantle caused by a difference in temperature |
| P wave | Primary waves, are the first waves to arrive at a seismograph. |
| secondary waves | are the second waves to arrive during an earthquake |
| Seismograph | instruments used to record the motion of the ground during an earthquake. |
| Seismogram | the recording of the ground shaking at the specific location of the instrument |