This communities test is a great assessment to conclude a unit on communities. Ohio 3rd Grade Standards: SS.01a: Events in history can be shown on timelines organized by years. SS.01c: Local communities change over time. SS.02d: Transportation and communication move people, products, and ideas. SS.02c- Evidence of human modification of the environment can be observed in communities. SS.03b- Individuals make the community a better place by solving problems in a way that promotes the common good. SS.01b- Primary sources such as artifacts, maps, and photographs can be used to show change over time. SS.02e- Communities may include diverse cultures.