The following Earth Science links are those used in the modules as well as a few others for further study.  These resources have also been identified as possible sources for web-based lessons using TrackStar.

Geologic Time USGS geologic time contents page Geologic time Relative time scale Major divisions of geologic time Index fossils Age of the earth Illustrated geologic time scale Geological time machine COTF geologic time Miocene Miocene epoch New Zealand miocene fossils Fossils of the late miocene Subdivisions of the miocene Geography - Australia Satellite image of northeast Australia Earth images Space shuttle image search page Image of plankton bloom from space Image of great barrier reef Geography - Texas Image of Galveston Bay Elevation of College Station Fossils Image index of forams Hillary Olson's foram exercise 1 Hillary Olson's foram exercise 2 Plate Tectonics Paleomap project Introduction to plate tectonics Paleomagnetic stripes of ocean crust Major tectonic plates of the world The dynamic earth Historical perspective Understanding plate motions Artist's cross section of plate boundaries Plate tectonics and people Bay of Fundy, New Brunswick, Canada Photos of Alma, New Brunswick, at hi and low tides BOF National Park - Point Wolf low and hi tides images E.B. image of reverse flow of St. John river, N.B. Bay of Fundy tides Diagram and text on BOF tides More tidal facts of BOF Town of Truro with Salmon River tidal bore - no images New Brusnwick Fundy Park, has images of coastline. Images of N.B. coastline About the city of St. John About water levels, tides, and currents Sea Level How do we calculate elevation from sea level Measuring global sea level via Topex satellite Tides Solar and lunar tidal facts NOAA information page on tides NOAA information on how you measure water levels Why do we need water level data Tidal data Houston tidal data Gulf coast tidal measuring stations US station locations US map of PORTS tidal stations Houston tidal stations Texas map showing tidal station Oceans Oceanography Oceans Earth changes with change in temperature Moon Moon phases Interactive moon phases Weather Texas weather Reefs Reef ecosystems Jurassic reefs Tree of life Sponges Ice National ice center Radar ice maps Radar image of Antarctic region ice shelf Images of Arctic region showing ice formation International ice patrol images of icebergs NOVA page on ice cores Effects of melting of Antarctic ice sheet Sea ice habitats Images and descriptions of sea ice Antarctic ice pages Paleoclimatology Paleoclimatology links Sediments Basin modeling page Sediment diagram models NGDC total marine sediment thickness map Limestone and hydrogeology of the Edward's aquifer Sediment tank at U. Minn. Geophysics/Seismics 3-d seismic image Seismic imaging and interpretation