Free educational resources can be hard to come by, especially finding them in detailed and easy-to-understand formats. However, the website cK-12 has free textbooks for a variety of subjects and grade levels, all of which are available online, can be downloaded on your Kindle or iPad, or viewed as a PDF.
- Introduction to Earth Science
- Earth as a Planet
- Atmosphere, Weather, and Climate
- Earth Materials
- Earth’s Surface Processes
- Water on Earth
- Earth History
- Life on Earth
- Earth in Space
Furthermore, there is a selection of five FlexBooks that cover Science – Earth Science, the details of which can be found in the LIST. Again, these textbooks can be viewed online, viewed as a PDF, or downloaded onto your Kindle or iPad. And it’s all free!