Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Stress | A force that acts on rock to change its shape or volume
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| Tension |
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| Compression | squeezes rock until it folds or breaks
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| Shearing | Stress that pushes a mass of rock in two opposite directions
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| Normal Faults | Tension in Earth's crust pulls rock apart
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| Hanging wall | The block of rock that lies above
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| Footfall | The block of rock that lies below
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| Reverse fault | has the same structure as a normal fault, but the blocks move in opposite direction
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| Strike-Slip fault | Rocks on either side of the fault slip past each other sideways,with little up or down motion
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| Anticline | A fold in rock that bends upward into an arch
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| Syncline | A fold in rock that bends downward to form a valley
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| Plateau | A large area of flat land elevated high above sea level
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| Earthquake | is the shaking and trembling that results from the movement of rock beneath Earth's surface
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| Focus | is the area beneath Earth's surface where rock that is under stress breaks, triggering an earthquake
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| Epicenter | The point on Earth's surface directly above the focus
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| P waves | First waves to arrive
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| S waves | After p waves comes secondary waves
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| Surface waves | Move more slowly than P waves and S waves, but they can produce severe ground movements
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| Mercalli Scale | was developed to rate earthquakes according to the level of damage at a given place
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| Magnitude | Number that geologists assign to an earthquake based on the earthquake's size
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| Richter scale | Rating of an earthquake's magnitude based on the size of the earthquake's seismic waves
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| Seismograph | The seismic waves are measured by a seismograph
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| Moment Magnitude Scale | A rating system that estimates the total energy released by an earthquake
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Sarah.E.Rosa
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