Explore changes to the Earth’s surface—and save 20%—with UNIT ELEVEN: OUR CHANGING EARTH from the Foundations Science Curriculum series. This unit highlights slow, fast, and manmade changes, landforms, and the four spheres and offers a wide variety of resources to keep your young scientists engaged. Planning is a breeze with the Teacher’s Guide, which includes detailed lesson plans and a list of applicable NGSS/TEKS standards. _________________________________________________________________BUND