ArcGIS Online is an online, collaborative web GIS that allows you to use, create, and share maps, scenes, apps, layers, analytics, and data. You get access to ready-to-use maps, apps, imagery, and Esri’s secure cloud, where you can add items and publish web layers.
For more detailed information visit What is ArcGIS Online?
Setting up an Organizational account for your school is free and relatively simple. You will need at least one person to take the responsibility of being the organization administrator. Get started by going to http://www.esri.com/industries/education/software-bundle# if you don't have an ArcGIS Online School Account. Need help with setting it up? Contact stevensde@wmpenn.edu.
ArcGIS Online Story Map
ArcGIS Online Story Maps enable you to add images and video to your map. Click this link to see an example of a StoryMap about the Lewis and Clark National Historic Trail.
To learn more about making StoryMaps using the New Template, visit Getting Started with ArcGIS StoryMap for help.
GeoMentors
Several GIS professionals have volunteered to be GeoMentors for educators and students. GeoMentors are willing to help you and your students with technical GIS questions. To find a GeoMentor, contact stevensde@wmpenn.edu.
ArcGIS Online SkillBuilder
Whether you are an ArcGIS Online beginner or experienced, you should download the SkillBuilder. The SkillBuilder presents levels of ArcGIS Online skills with instruction on how to master each each level. Just go to ArcGIS SkillBuilder to download a copy and get started.
Additional Sources for Map Layers
Iowa GEODATA Portal
This is a great source of information specifically for Iowa. You must download the data as a shapefile. Contact a GeoMentor in your area for assistance in finding and using data you need, or email the Map Contest State Coordinator for more help (stevensde@wmpenn.edu).
Link to: Iowa GEODATA Portal
Additional Iowa Data links:
United States Geological Survey - Historic Maps
The United States Geological Survey has mapped the United States for over 100 years. The topograpphic maps can be accessed by going to the link below. You can select the maps you want from any time period available for your hometown. The maps can be added to your ArcGIS map as a layer. It's a great way to show change using maps.
Link to: USGS Historic Maps