In this food chain activity, students answer: How does matter cycle in an ecosystem? Students create an interactive digital model of how matter cycles with an engaging gif (moving picture), labels, and art in this interactive science food web/ food chain activity.This is a single slide, the 5 slide version with rubrics of Food Chains: Google Apps Digital Model is available! CLICK HERE!In Google Classroom, upload a copy of the slide for each student. Everything each student needs is provided on t