Explore the slow, fast, and manmade changes to the surface of the Earth with LET’S EXPLORE OUR CHANGING EARTH, a colorful interactive PowerPoint presentation, from the Foundations Science Curriculum series, that’s sure to keep your students engaged. Our Changing Earth introduces SLOW changes, including the movement of continents and weathering and erosion, FAST changes resulting from earthquakes, volcanoes, tsunamis, and extreme weather, and MANDMADE changes, both helpful and harmful, with the f