Earthquakes, Volcanoes, and Tsunamis: Projects and Principles for Beginning Geologists

Earthquakes, Volcanoes, and Tsunamis: Projects and Principles for Beginning Geologists — page 9
depending on its age the suggested boiling time is approximate and you may have to proceed by trial and error to be successful with this experiment ES Just like the pieces of the eggshell in the egg experiment the separate tectonic plates floting over the magma don't stay put but move around at a snail's pace at only 50 millimeters 2 inches a year As they move toward each other one plate may hit another top left slide along it top right or even duck under it in a movement called subduction bot tom Scraping Plates To feel how the tectonic plates bump into each other