This website from Green Dot Public Schools in Los Angeles is a good place for science teacher to be inspired! Check out their collection of lesson plans on motion analysis, protozoa evolution, designing a solar system, the physics of amusement parks, and more!
From ISTE 2018, this slide presentation on the interactive science classroom contains great ideas for augmented reality lessons for science students!
You don’t need to use screencasting software to narrate a Google Slides presentation. Just get the AudioPlayer for Slides extension and add existing audio or record your own. You can create one long audio track for the whole presentation, or you can break it up slide by slide. Here’s a how-to article from the extension’s creators.