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Dynamic Earth
Term | Definition |
---|---|
tectonic plates | Big slabs of rock floating on the Mantle under the earth. |
tremor | When the Earth shakes. |
hypocentre | The part where the Earth quake starts below the Earth. |
core | The centre of the Earth. |
crust | The outside of the Earth. |
mantle | The biggest |
epicentre | The part where the Earthquake starts above the Earth. |
Primary Waves | Are the fastest moving waves |
Secondary waves | Can only travel through solids |
Surface Waves | Are the slowest moving waves |
Seismograph | To measures the force of an earthquake |
Richter Scale | used to measure the power of earthquakes |
Mercalli Scale | Used to measure the damage of an earthquake |
Fault line | Part where the tectonic plates meet |
Focus | Part where the earthquake starts below the earth |
Geothermal Energy | It is water from underneath the earth and turned into electricity. |
Aftershocks | Occur after the main earthquake |
Pyroclastic flow | Is like a landslide |