HMH Science Dimensions is an NGSS-aligned curriculum offering free, high-school-level physics resources, including an Augmented Reality (AR) app and accessible eBook versions for study. The curriculum utilizes the 5E instructional model and a Claims-Evidence-Reasoning (CER) framework to cover mechanics, field forces, and energy, with program details available via the official HMH website . eBook - 2017 HMH Physics, Student Edition - OverDrive
HMH occasionally offers free downloadable activity calendars and lesson supplements on the Physics Textbooks & Digital Programs page 2. Free Alternatives for High School Physics hmdsciencecom physics free
According to Einstein’s theory of relativity, time actually moves slower the faster you travel. If you spent a year on a spaceship traveling near the speed of light, you would return to Earth to find that decades had passed for everyone else. Free Alternatives for High School Physics Time is
The next morning, the laptop was gone. But the USB drive remained. And on its surface, written in dry-erase marker (because she’d run out of permanent ink), was a new message: But the USB drive remained