Activity 2: Studying Maps of Earth's Oceans
Interactive maps of the seafloor to support student investigations of plate tectonics:
http://www.ei.lehigh.edu/learners/tectonics/
Maps and activities that allow students to investigate evidence of plate tectonics:
http://plateboundary.rice.edu/
Activity 4: How Are Ocean Basins Formed by Seafloor Spreading?
Discussion of divergent boundaries with specific references to the Mid-Atlantic Ridge, Iceland, and the East African Rift and Red Sea:
https://pubs.usgs.gov/gip/dynamic/understanding.html#anchor3617237
Animation of sea-floor spreading and magnetic stripes:
http://emvc.geol.ucsb.edu/2_infopgs/IP1GTect/fSFSpreadingSeries.html
https://teachearthscience.org/platetectonics.html (need to scroll to find it)
Animation of plate motion during the past 200 million years:
https://www.iris.edu/hq/inclass/animation/plate_movement__200_million_years_ago_to_today