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The dynamic Earth
Question | Answer |
---|---|
Crust | thinnest layer of the earth |
Mantle | Thickest, most heaviest layer of earth |
Outer core | The only liquid state layer of the earth |
Inner core | The hottest layer of the earth |
Magma | mostly molten rock that is stored inside of the earths volcano |
Molten | the past tense of melt |
Compression | is when it pushes against another tectonic plate |
Shearing | when it slides past another tectonic plate |
Tension | is when it tears itself apart making valleys |
Tectonic plate | are what make the surface of the Earth stay together |
Tremor | when the ground shakes, possibly changing the landscape |
Fault line | The boundary or where the tectonic plates meet |
Landslide | when the ground shakes a little and then unbalanced or weak sides of a mountain slides down causing damage |
liquefaction | the process of liquefying an object |
seismic wave | waves of energy that generates from earthquakes that can demolish homes, schools and other structures |
P wave | wave that can shock through solids and liquids |
S wave | wave of energy that can shock through only solids |
Surface wave | The slowest type of seismic wave that runs along the surface of the earth also known as ' the crust' |
Epicentre | The point on the surface above the hypocenter of an earthquake |
Hypocentre | The heart of the earthquake |
Seismograph | A measuring instrument for earthquake's shock |
Tsunami | A killer wave formed from an earthquake underwater |
Mercalli scale | a scale that measures the power of the earthquake |
Richter scale | a scale that measures the magnitude of an earthquake |
Moment magnitude scale | A scale that measures the magnitude of an earthquake as wel as the Richter scale |