TLF ID M019862
Journey through geological time and discover changes on Earth from the Hadean time, more than 4.5 billion years ago, through to today. Find out about plate tectonics, continental movement, atmospheric conditions, life on Earth, extinction events, fossil sites and much more. Contains many features which include allowing users to scroll through time periods, select features and events to display on the globe, and overlay graphs containing chosen variables; and there is also a teacher guide and tutorial. Free when viewed on 21/6/15.