Getting Burned By Acid Rain
Geology / Global Climate Change
If we measure the pH of distilled water, we will find that it is most often in the middle of the pH scale (7) - not too acidic, not too basic. Rainwater, without a lot of outside contaminants, tends t continue reading this fact
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The San Andreas Fault
Geology / Earthquakes
Scientists have learned that the Earth's crust is fractured into a series of 'plates' that have been moving very slowly over the Earth's surface for millions of years. Two of these moving plates meet continue reading this fact
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The Richter Magnitude Scale
Geology / Earth Measurement
Seismic waves are the vibrations from earthquakes that travel through the Earth; they are recorded on instruments called seismographs. Seismographs record a zig-zag trace that shows the varying amplit continue reading this fact
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