PBS
Earth’s Ever-Changing Surface
The Grand Canyon formed between five and six million years ago, but is it still changing? Scholars explore 10 sites in the United States, including the Grand Canyon, to better understand the geoscience processes that formed these...
Curated OER
Making Your Own National Park Geologic Tour
Middle schoolers research national parks. In this geology lesson plan, students identify the geological features of selected national parks and create PowerPoint presentations that feature their findings.
Curated OER
Using Cause and Effect to Write in Science
Fifth graders brainstorm processes or forces that cause Earth's surface to be changed.