Earth Science Courses
Spahn's Science Lectures via YouTube Earth Science - The Rock Cycle and Igneous Rocks
Spahn's Science Lectures via YouTube Earth Science - Minerals
Spahn's Science Lectures via YouTube Earth Science - Introduction to Earth Science
Spahn's Science Lectures via YouTube General Astronomy - Earth's Atmospheric Structure and Magnetic Field
Spahn's Science Lectures via YouTube What Was Earth Like 3 Billion Years Ago?
History of the Earth via YouTube What Would Earth Be Like Without Life?
History of the Earth via YouTube Where Did Earth's Water Come From? - Origins and Evolution of Earth's Hydrosphere
History of the Earth via YouTube What Was Earth Like 4 Billion Years Ago?
History of the Earth via YouTube Relative Dating of Rock Layers
Mike Sammartano via YouTube