Plate margins
Plates pull apart, sink, collide or slide past at a few centimeters a year; each margin brings its own earthquakes and volcanoes, and slow speeds build oceans over millions of years.
About 40 minutes9 activities Paper packet
Plates pull apart, sink, collide or slide past at a few centimeters a year; each margin brings its own earthquakes and volcanoes, and slow speeds build oceans over millions of years.
About 40 minutes9 activities Paper packet