What is the geologic time scale? If you are teaching Earth history, you need to help your students answer this question before they can jump in and learn about it. Earth's 4.6 billion-year history is too big to think about all at once, so scientists divide it into eons, eras, periods, and epochs. … [Read more...] about What is the Geologic Time Scale?
Earth Science
Easy Ways to Teach the Water Cycle Steps
The water cycle is one of those science topics that keeps coming back in school. Kids first learn about the water cycle steps in first grade. They learn about it again in fourth grade and again in middle school. Background Knowledge and the Water Cycle I love that students have so much … [Read more...] about Easy Ways to Teach the Water Cycle Steps