Earth Science: Layers, Rocks and Plate Boundaries flashcards

How this deck was checked

On 2026-10-19, every card was compared with a primary source and with a second source from a different publisher. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.

Sources

• Primary source This Dynamic Earth: Inside the Earth (U.S. Geological Survey, pubs.usgs.gov)
• Primary source Rocks (National Park Service, Geology, nps.gov)
• Primary source This Dynamic Earth: Understanding plate motions (U.S. Geological Survey, pubs.usgs.gov)
• Primary source This Dynamic Earth: Historical perspective (U.S. Geological Survey, pubs.usgs.gov)
• Primary source The Interior of the Earth (U.S. Geological Survey, pubs.usgs.gov)
• Primary source Igneous Rocks (National Park Service, Geology, nps.gov)
• Primary source Sedimentary Rocks (National Park Service, Geology, nps.gov)
• Primary source Metamorphic Rocks (National Park Service, Geology, nps.gov)
• Primary source How Rocks are Classified (National Park Service, Geology, nps.gov)
• Primary source What's New? Weeks 9-12 (rock cycle, rock types, plate boundaries) (U.S. Geological Survey, Educational Resources, usgs.gov)
• Second source Structure of Earth (Wikipedia, en.wikipedia.org)
• Second source Sandstone (Wikipedia, en.wikipedia.org)
• Second source Limestone (Wikipedia, en.wikipedia.org)
• Second source Metamorphic rock (Wikipedia, en.wikipedia.org)
• Second source Foliation (geology) (Wikipedia, en.wikipedia.org)
• Second source Alfred Wegener (Wikipedia, en.wikipedia.org)
• Second source Divergent boundary (Wikipedia, en.wikipedia.org)
• Second source Mid-Atlantic Ridge (Wikipedia, en.wikipedia.org)
• Second source Convergent boundary (Wikipedia, en.wikipedia.org)
• Second source Transform fault (Wikipedia, en.wikipedia.org)
• Second source San Andreas Fault (Wikipedia, en.wikipedia.org)
• Second source Oceanic crust (Wikipedia, en.wikipedia.org)
• Second source Subduction (Wikipedia, en.wikipedia.org)
• Second source Oceanic trench (Wikipedia, en.wikipedia.org)
• Second source Andes (Wikipedia, en.wikipedia.org)
• Second source Himalayas (Wikipedia, en.wikipedia.org)
• Second source Asthenosphere (Wikipedia, en.wikipedia.org)
• Second source 3.9: Putting It Together (Fundamentals of Geology, Schulte) (LibreTexts Geosciences, geo.libretexts.org)
• Second source Mohorovicic discontinuity (Wikipedia, en.wikipedia.org)
• Second source Earth's outer core (Wikipedia, en.wikipedia.org)
• Second source Plate tectonics (Wikipedia, en.wikipedia.org)
• Second source Rock cycle (Wikipedia, en.wikipedia.org)
• Second source Igneous rock (Wikipedia, en.wikipedia.org)
• Second source 4.6: The Rock Cycle (Physical Geography, Lumen) (LibreTexts Geosciences, geo.libretexts.org)
• Second source Lithification (Wikipedia, en.wikipedia.org)

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