tectonic plates What is a tectonic plate? What is a tectonic plate? [This Dynamic Earth, USGS] http://pubs.usgs.gov/gip/dynamic/tectonic.html pubs.usgs.gov http://pubs.usgs.gov/gip/dynamic/tectonic.html slabs of rock What is a tectonic plate? [This Dynamic Earth, USGS] pubs.usgs.gov http://pubs.usgs.gov/gip/dynamic/tectonic.html tectonic plates tectonic plates slabs of rock on the surface of the Earth USGS What Is a Tectonic Plate? tectonic plates Web Quest 3 What is a tectonic plate? [This Dynamic Earth, USGS] tectonic What is a tectonic plate? [This Dynamic Earth, USGS] pubs.usgs.gov tectonic plate slabs of rock on the surface of the Earth tectonic pubs.usgs.gov pubs.usgs.gov slabs of rock on Earth’s surface tectonic plate slabs of rock on the surface of the Earth