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Volcanoes and Earth Movements
2/7/17
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Earthquakes revisited
Earthquake japan 3/11/11 Plates sliding past each other send shock waves through the crust that we call earthquakes
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Volcanoes Volcano-lava and rocks that pile up at cracks in the crust
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Volcanoes Form at the edges of tectonic plates
The ring of fire is a line of volcanoes around the Pacific tectonic plate Most of the volcanoes in the world are here
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How do scientists measure Earthquakes?
seismograph
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Seismograph Measures the strength of the energy waves sent out by the earthquake Tells us how powerful and how far away earthquakes are
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Lava lamp experiment Oil, water, Alka seltzer, graduated cylinder
Pour the water in, then the oil Drop Alka seltzer, enjoy the show!
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Works cited Science studies weekly
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