The Noun Project

The Noun Project is a wonderful add-on for Google DOcs and Slides that can add wonderful visual clues to your documents. Although you can use some for free, it can be frustrating trying to find the images, so I highly recommend purchasing the full version if you plan to add graphics.

Here is a post of Speed of Creativity describing how Wesley Fryer uses them: http://www.speedofcreativity.org/2020/06/08/how-i-use-noun-project-icons-in-my-class-lesson-slideshows/